TSP G Fund Forecast

Daily Notes

Each business evening's estimate for next month's G Fund rate, newest first.

November 2026 rate
Fri, Oct 165.125%

Friday: November firmer at 5.125% — proxy 5.154%, now 0.033 under the 5.1875 boundary, drifting lower.

Thu, Oct 155.125%

Thursday: November drops to 5.125%. Yields slid, proxy 5.168% — now 0.019 under the 5.1875 boundary. That's down from October's published 5.375%.

Wed, Oct 145.25%

Wednesday: November firmer at 5.25% — proxy 5.257%, now 0.055 under the 5.3125 boundary, drifting lower.

Tue, Oct 135.25%

Tuesday: November firmer at 5.25% — proxy 5.276%, now 0.036 under the 5.3125 boundary, drifting lower.

Fri, Oct 95.25%

Friday: November still reads 5.25%, proxy 5.307% — but it's only 0.5 bp under the boundary, so call it a coin flip with 5.375%.

Thu, Oct 85.25%

Thursday: November drops to 5.25%. Yields slid, proxy 5.289% — now 0.023 under the 5.3125 boundary. That's down from October's published 5.375%.

Wed, Oct 75.375%

Wednesday: November firmer at 5.375% — proxy 5.343%, now 0.031 above the 5.3125 boundary, drifting higher.

Tue, Oct 65.375%

Tuesday: November still 5.375%, proxy 5.330% — margin narrowed (0.018 above the 5.3125 boundary). We're on September's weighting data now.

Mon, Oct 55.375%

Monday: November firmer at 5.375% — proxy 5.365%, now 0.053 above the 5.3125 boundary, drifting higher.

Fri, Oct 25.375%

Friday: November rises to 5.375%. Yields rose, proxy 5.345% — now 0.032 above the 5.3125 boundary.

Thu, Oct 15.25%

First estimate: November's rate tracks at 5.25% (proxy 5.306%, 0.007 under the 5.3125 boundary). That's down from October's published 5.375%.

October 2026 rate
Wed, Sep 30Month-end5.375%

Month-end G Fund estimate: proxy 5.363%, 0.050 above the 5.3125 boundary — October's rate should print at 5.375%. That's up 4 eighths from September's 4.875%. The official rate is usually published within a day or two.

Tue, Sep 295.375%

Tuesday: October rises to 5.375%. Yields rose, proxy 5.325% — now 0.012 above the 5.3125 boundary. That's up from September's published 4.875%.

Mon, Sep 285.25%

Monday: October still reads 5.25%, proxy 5.307% — but it's only 0.5 bp under the boundary, so call it a coin flip with 5.375%.

Fri, Sep 255.25%

Friday: October still 5.25%, proxy 5.234% — margin narrowed (0.047 above the 5.1875 boundary).

Thu, Sep 245.25%

Thursday: October firmer at 5.25% — proxy 5.251%, now 0.061 under the 5.3125 boundary, drifting higher.

Wed, Sep 235.25%

Wednesday: October rises to 5.25%. Yields rose, proxy 5.191% — now 0.004 above the 5.1875 boundary. That's up from September's published 4.875%.

Tue, Sep 225.00%

Tuesday: October holding at 5.00%, proxy 5.050% (0.013 under the 5.0625 boundary).

Mon, Sep 215.00%

Monday: October drops to 5.00%. Yields slid, proxy 5.051% — now 0.012 under the 5.0625 boundary. That's up from September's published 4.875%.

Fri, Sep 185.125%

Friday: October rises to 5.125%. Yields rose, proxy 5.093% — now 0.030 above the 5.0625 boundary. That's up from September's published 4.875%.

Thu, Sep 175.00%

Thursday: October drops to 5.00%. Yields slid, proxy 5.025% — now 0.037 under the 5.0625 boundary. That's up from September's published 4.875%.

Wed, Sep 165.125%

Wednesday: October firmer at 5.125% — proxy 5.098%, now 0.035 above the 5.0625 boundary, drifting higher.

Tue, Sep 155.125%

Tuesday: October rises to 5.125%. Yields rose, proxy 5.085% — now 0.023 above the 5.0625 boundary. That's up from September's published 4.875%.

Mon, Sep 145.00%

Monday: October still reads 5.00%, proxy 5.057% — but it's only 0.6 bp under the boundary, so call it a coin flip with 5.125%.

Fri, Sep 115.00%

Friday: October still 5.00%, proxy 5.051% — margin narrowed (0.011 under the 5.0625 boundary).

Thu, Sep 105.00%

Thursday: October rises to 5.00%. Yields rose, proxy 5.040% — now 0.022 under the 5.0625 boundary. That's up from September's published 4.875%.

Wed, Sep 94.875%

Wednesday: October still 4.875%, proxy 4.920% — margin narrowed (0.018 under the 4.9375 boundary).

Tue, Sep 84.875%

Tuesday: October still 4.875%, proxy 4.889% — margin narrowed (0.048 under the 4.9375 boundary).

Fri, Sep 44.875%

Friday: October firmer at 4.875% — proxy 4.871%, now 0.058 above the 4.8125 boundary, drifting higher. We're on August's weighting data now.

Thu, Sep 34.875%

Thursday: October holding at 4.875%, proxy 4.863% (0.051 above the 4.8125 boundary).

Wed, Sep 24.875%

Wednesday: October holding at 4.875%, proxy 4.886% (0.052 under the 4.9375 boundary).

Tue, Sep 14.875%

First estimate: October's rate tracks at 4.875% (proxy 4.889%, 0.049 under the 4.9375 boundary).

September 2026 rate
Mon, Aug 31Month-end4.875%

Month-end G Fund estimate: proxy 4.848%, 0.036 above the 4.8125 boundary — September's rate should print at 4.875%. That's unchanged from August. The official rate is usually published within a day or two.

Fri, Aug 284.875%

Friday: September rises to 4.875%. Yields rose, proxy 4.823% — now 0.010 above the 4.8125 boundary.

Thu, Aug 274.75%

Thursday: September still 4.75%, proxy 4.761% — margin narrowed (0.051 under the 4.8125 boundary).

Wed, Aug 264.75%

Wednesday: September firmer at 4.75% — proxy 4.751%, now 0.061 under the 4.8125 boundary, drifting higher.

Tue, Aug 254.75%

Tuesday: September firmer at 4.75% — proxy 4.733%, now 0.045 above the 4.6875 boundary, drifting lower.

Mon, Aug 244.75%

Monday: September drops to 4.75%. Yields slid, proxy 4.792% — now 0.021 under the 4.8125 boundary. That's down from August's published 4.875%.

Fri, Aug 214.875%

Friday: September rises to 4.875%. Yields rose, proxy 4.822% — now 0.010 above the 4.8125 boundary.

Thu, Aug 204.75%

Thursday: September still 4.75%, proxy 4.778% — margin narrowed (0.035 under the 4.8125 boundary).

Wed, Aug 194.75%

Wednesday: September firmer at 4.75% — proxy 4.740%, now 0.053 above the 4.6875 boundary, drifting lower.

Tue, Aug 184.75%

Tuesday: September drops to 4.75%. Yields slid, proxy 4.804% — now 0.008 under the 4.8125 boundary. That's down from August's published 4.875%.

Mon, Aug 174.875%

Monday: September rises to 4.875%. Yields rose, proxy 4.819% — now 0.006 above the 4.8125 boundary.

Fri, Aug 144.75%

Friday: September still 4.75%, proxy 4.776% — margin narrowed (0.037 under the 4.8125 boundary).

Thu, Aug 134.75%

Thursday: September firmer at 4.75% — proxy 4.732%, now 0.044 above the 4.6875 boundary, drifting lower.

Wed, Aug 124.75%

Wednesday: September firmer at 4.75% — proxy 4.779%, now 0.034 under the 4.8125 boundary, drifting lower.

Tue, Aug 114.75%

Tuesday: September firmer at 4.75% — proxy 4.792%, now 0.021 under the 4.8125 boundary, drifting lower.

Mon, Aug 104.75%

Monday: September still reads 4.75%, proxy 4.806% — but it's only 0.6 bp under the boundary, so call it a coin flip with 4.875%.

Fri, Aug 74.75%

Friday: September firmer at 4.75% — proxy 4.746%, now 0.058 above the 4.6875 boundary, drifting lower.

Thu, Aug 64.75%

Thursday: September still 4.75%, proxy 4.783% — margin narrowed (0.030 under the 4.8125 boundary). We're on July's weighting data now.

Wed, Aug 54.75%

Wednesday: September holding at 4.75%, proxy 4.730% (0.042 above the 4.6875 boundary).

Tue, Aug 44.75%

Tuesday: September firmer at 4.75% — proxy 4.731%, now 0.044 above the 4.6875 boundary, drifting lower.

Mon, Aug 34.75%

First estimate: September's rate tracks at 4.75% (proxy 4.794%, 0.019 under the 4.8125 boundary). That's down from August's published 4.875%.

August 2026 rate
Fri, Jul 31Month-end4.875%

Month-end G Fund estimate: proxy 4.841%, 0.029 above the 4.8125 boundary — August's rate should print at 4.875%. That's up 3 eighths from July's 4.50%. The official rate is usually published within a day or two.

Thu, Jul 304.75%

Thursday: August still 4.75%, proxy 4.772% — margin narrowed (0.040 under the 4.8125 boundary).

Wed, Jul 294.75%

Wednesday: August firmer at 4.75% — proxy 4.763%, now 0.050 under the 4.8125 boundary, drifting higher.

Tue, Jul 284.75%

Tuesday: August still 4.75%, proxy 4.702% — margin narrowed (0.015 above the 4.6875 boundary).

Mon, Jul 274.75%

Monday: August firmer at 4.75% — proxy 4.745%, now 0.058 above the 4.6875 boundary, drifting lower.

Fri, Jul 244.75%

Friday: August firmer at 4.75% — proxy 4.778%, now 0.035 under the 4.8125 boundary, drifting lower.

Thu, Jul 234.75%

Thursday: August still 4.75%, proxy 4.801% — margin narrowed (0.011 under the 4.8125 boundary).

Wed, Jul 224.75%

Wednesday: August firmer at 4.75% — proxy 4.762%, now 0.051 under the 4.8125 boundary, drifting higher.

Tue, Jul 214.75%

Tuesday: August firmer at 4.75% — proxy 4.729%, now 0.042 above the 4.6875 boundary, drifting higher.

Mon, Jul 204.75%

Monday: August rises to 4.75%. Yields rose, proxy 4.696% — now 0.009 above the 4.6875 boundary. That's up from July's published 4.50%.

Fri, Jul 174.625%

Friday: August firmer at 4.625% — proxy 4.647%, now 0.041 under the 4.6875 boundary, drifting lower.

Thu, Jul 164.625%

Thursday: August still 4.625%, proxy 4.660% — margin narrowed (0.027 under the 4.6875 boundary).

Wed, Jul 154.625%

Wednesday: August firmer at 4.625% — proxy 4.642%, now 0.046 under the 4.6875 boundary, drifting lower.

Tue, Jul 144.625%

Tuesday: August drops to 4.625%. Yields slid, proxy 4.674% — now 0.013 under the 4.6875 boundary. That's up from July's published 4.50%.

Mon, Jul 134.75%

Monday: August rises to 4.75%. Yields rose, proxy 4.713% — now 0.025 above the 4.6875 boundary. That's up from July's published 4.50%.

Fri, Jul 104.625%

Friday: August still 4.625%, proxy 4.660% — margin narrowed (0.027 under the 4.6875 boundary).

Thu, Jul 94.625%

Thursday: August firmer at 4.625% — proxy 4.638%, now 0.049 under the 4.6875 boundary, drifting lower.

Wed, Jul 84.625%

Wednesday: August still 4.625%, proxy 4.662% — margin narrowed (0.026 under the 4.6875 boundary).

Tue, Jul 74.625%

Tuesday: August firmer at 4.625% — proxy 4.638%, now 0.050 under the 4.6875 boundary, drifting higher. We're on June's weighting data now.

Mon, Jul 64.625%

Monday: August still 4.625%, proxy 4.582% — margin narrowed (0.019 above the 4.5625 boundary).

Thu, Jul 24.625%

Thursday: August holding at 4.625%, proxy 4.591% (0.029 above the 4.5625 boundary).

Wed, Jul 14.625%

First estimate: August's rate tracks at 4.625% (proxy 4.587%, 0.024 above the 4.5625 boundary). That's up from July's published 4.50%.

July 2026 rate
Tue, Jun 30Month-end4.50%

Month-end G Fund estimate: proxy 4.540%, 0.022 under the 4.5625 boundary — July's rate should print at 4.50%. That's unchanged from June. The official rate is usually published within a day or two.

Mon, Jun 294.50%

Monday: July holding at 4.50%, proxy 4.478% (0.040 above the 4.4375 boundary).

Fri, Jun 264.50%

Friday: July still 4.50%, proxy 4.475% — margin narrowed (0.038 above the 4.4375 boundary).

Thu, Jun 254.50%

Thursday: July still 4.50%, proxy 4.491% — margin narrowed (0.053 above the 4.4375 boundary).

Wed, Jun 244.50%

Wednesday: July drops to 4.50%. Yields slid, proxy 4.502% — now 0.061 under the 4.5625 boundary.

Tue, Jun 234.625%

Tuesday: July still 4.625%, proxy 4.593% — margin narrowed (0.031 above the 4.5625 boundary).

Mon, Jun 224.625%

Monday: July rises to 4.625%. Yields rose, proxy 4.607% — now 0.044 above the 4.5625 boundary. That's up from June's published 4.50%.

Thu, Jun 184.50%

Thursday: July drops to 4.50%. Yields slid, proxy 4.552% — now 0.011 under the 4.5625 boundary.

Wed, Jun 174.625%

Wednesday: July rises to 4.625%. Yields rose, proxy 4.587% — now 0.025 above the 4.5625 boundary. That's up from June's published 4.50%.

Tue, Jun 164.50%

Tuesday: July firmer at 4.50% — proxy 4.523%, now 0.040 under the 4.5625 boundary, drifting lower.

Mon, Jun 154.50%

Monday: July drops to 4.50%. Yields slid, proxy 4.560% — now 0.003 under the 4.5625 boundary.

Fri, Jun 124.625%

Friday: July rises to 4.625%. Yields rose, proxy 4.575% — now 0.013 above the 4.5625 boundary. That's up from June's published 4.50%.

Thu, Jun 114.50%

Thursday: July drops to 4.50%. Yields slid, proxy 4.550% — now 0.013 under the 4.5625 boundary.

Wed, Jun 104.625%

Wednesday: July still 4.625%, proxy 4.637% — margin narrowed (0.051 under the 4.6875 boundary).

Tue, Jun 94.625%

Tuesday: July firmer at 4.625% — proxy 4.622%, now 0.059 above the 4.5625 boundary, drifting lower.

Mon, Jun 84.625%

Monday: July still 4.625%, proxy 4.651% — margin narrowed (0.036 under the 4.6875 boundary).

Fri, Jun 54.625%

Friday: July firmer at 4.625% — proxy 4.641%, now 0.047 under the 4.6875 boundary, drifting higher.

Thu, Jun 44.625%

Thursday: July still reads 4.625%, proxy 4.564% — but it's only 0.1 bp above the boundary, so call it a coin flip with 4.50%. We're on May's weighting data now.

Wed, Jun 34.625%

Wednesday: July rises to 4.625%. Yields rose, proxy 4.586% — now 0.024 above the 4.5625 boundary. That's up from June's published 4.50%.

Tue, Jun 24.50%

Tuesday: July drops to 4.50%. Yields slid, proxy 4.554% — now 0.008 under the 4.5625 boundary.

Mon, Jun 14.625%

First estimate: July's rate tracks at 4.625% (proxy 4.568%, 0.006 above the 4.5625 boundary). That's up from June's published 4.50%.

June 2026 rate
Fri, May 29Month-end4.50%

Month-end G Fund estimate: proxy 4.536%, 0.026 under the 4.5625 boundary — June's rate should print at 4.50%. That's unchanged from May. The official rate is usually published within a day or two.

Thu, May 284.50%

Thursday: June drops to 4.50%. Yields slid, proxy 4.544% — now 0.019 under the 4.5625 boundary.

Wed, May 274.625%

Wednesday: June still reads 4.625%, proxy 4.571% — but it's only 0.9 bp above the boundary, so call it a coin flip with 4.50%.

Tue, May 264.625%

Tuesday: June still 4.625%, proxy 4.589% — margin narrowed (0.026 above the 4.5625 boundary).

Fri, May 224.625%

Friday: June firmer at 4.625% — proxy 4.648%, now 0.040 under the 4.6875 boundary, drifting lower.

Thu, May 214.625%

Thursday: June still 4.625%, proxy 4.655% — margin narrowed (0.033 under the 4.6875 boundary).

Wed, May 204.625%

Wednesday: June drops to 4.625%. Yields slid, proxy 4.647% — now 0.040 under the 4.6875 boundary. That's up from May's published 4.50%.

Tue, May 194.75%

Tuesday: June firmer at 4.75% — proxy 4.742%, now 0.055 above the 4.6875 boundary, drifting higher.

Mon, May 184.75%

Monday: June rises to 4.75%. Yields rose, proxy 4.688% — now 0.001 above the 4.6875 boundary. That's up from May's published 4.50%.

Fri, May 154.625%

Friday: June rises to 4.625%. Yields rose, proxy 4.680% — now 0.007 under the 4.6875 boundary. That's up from May's published 4.50%.

Thu, May 144.50%

Thursday: June holding at 4.50%, proxy 4.550% (0.012 under the 4.5625 boundary).

Wed, May 134.50%

Wednesday: June holding at 4.50%, proxy 4.549% (0.013 under the 4.5625 boundary).

Tue, May 124.50%

Tuesday: June still 4.50%, proxy 4.549% — margin narrowed (0.013 under the 4.5625 boundary).

Mon, May 114.50%

Monday: June firmer at 4.50% — proxy 4.501%, now 0.062 under the 4.5625 boundary, drifting higher.

Fri, May 84.50%

Friday: June still 4.50%, proxy 4.458% — margin narrowed (0.021 above the 4.4375 boundary).

Thu, May 74.50%

Thursday: June firmer at 4.50% — proxy 4.484%, now 0.047 above the 4.4375 boundary, drifting higher.

Wed, May 64.50%

Wednesday: June still reads 4.50%, proxy 4.440% — but it's only 0.2 bp above the boundary, so call it a coin flip with 4.375%. We're on April's weighting data now.

Tue, May 54.50%

Tuesday: June firmer at 4.50% — proxy 4.513%, now 0.049 under the 4.5625 boundary, drifting lower.

Mon, May 44.50%

Monday: June still 4.50%, proxy 4.532% — margin narrowed (0.030 under the 4.5625 boundary).

Fri, May 14.50%

First estimate: June's rate tracks at 4.50% (proxy 4.476%, 0.038 above the 4.4375 boundary).

May 2026 rate
Thu, Apr 30Month-end4.50%

Month-end G Fund estimate: proxy 4.482%, 0.044 above the 4.4375 boundary — May's rate should print at 4.50%. That's up an eighth from April's 4.375%. The official rate is usually published within a day or two.

Wed, Apr 294.50%

Wednesday: May rises to 4.50%. Yields rose, proxy 4.493% — now 0.056 above the 4.4375 boundary. That's up from April's published 4.375%.

Tue, Apr 284.375%

Tuesday: May still reads 4.375%, proxy 4.431% — but it's only 0.6 bp under the boundary, so call it a coin flip with 4.50%.

Mon, Apr 274.375%

Monday: May still 4.375%, proxy 4.418% — margin narrowed (0.020 under the 4.4375 boundary).

Fri, Apr 244.375%

Friday: May firmer at 4.375% — proxy 4.385%, now 0.053 under the 4.4375 boundary, drifting lower.

Thu, Apr 234.375%

Thursday: May still 4.375%, proxy 4.412% — margin narrowed (0.025 under the 4.4375 boundary).

Wed, Apr 224.375%

Wednesday: May holding at 4.375%, proxy 4.378% (0.060 under the 4.4375 boundary).

Tue, Apr 214.375%

Tuesday: May firmer at 4.375% — proxy 4.374%, now 0.062 above the 4.3125 boundary, drifting higher.

Mon, Apr 204.375%

Monday: May holding at 4.375%, proxy 4.338% (0.026 above the 4.3125 boundary).

Fri, Apr 174.375%

Friday: May still 4.375%, proxy 4.333% — margin narrowed (0.021 above the 4.3125 boundary).

Thu, Apr 164.375%

Thursday: May still 4.375%, proxy 4.393% — margin narrowed (0.045 under the 4.4375 boundary).

Wed, Apr 154.375%

Wednesday: May firmer at 4.375% — proxy 4.369%, now 0.057 above the 4.3125 boundary, drifting higher.

Tue, Apr 144.375%

Tuesday: May still 4.375%, proxy 4.342% — margin narrowed (0.030 above the 4.3125 boundary).

Mon, Apr 134.375%

Monday: May firmer at 4.375% — proxy 4.383%, now 0.055 under the 4.4375 boundary, drifting lower.