SEICHEdispatches · live board
2026-07-14 · STRAIN · the daily letter

Strain with a loud tell: plumbing leads price at +38

The composite reads 45, regime STRAIN. The Tell reads +38. Every number below is checkable on the board.

The composite reads 45 out of 100, STRAIN, on 100% coverage. The pipes are working harder for the same result. This is the regime where surprises stop being cheap.

The heaviest hand on the dial is weather at a score of 84, worth +9.2 points of the total. A composite is only as honest as its decomposition, so here it is.

The Tell, the gap between what the pipes measure and what the screens price, reads +38: plumbing indicators at the 57th percentile of their own history, market indicators at the 19th.

That is a wide disagreement, and it resolves one of two ways: the screens catch up to the pipes, or the pipes calm down to meet the screens. The reading is plumbing leads price.

Overnight, the tape did move: MMF repo with FICC (sponsored) printed 1,168.72 $B (level z +6.7, change z -0.1, as of 2026-05-31); Central bank liquidity swaps outstanding (H.4.1) printed 170.00 $M (level z -0.2, change z -5.3, as of 2026-07-08); Total stablecoin circulation printed 306.37 $B (level z -0.6, change z -5.3, as of 2026-07-14).

The dates that matter

The next date that matters is 2026-07-16: $95B auction settlement while reserves sit below the estimated kink, worst case $3,070B. The turn model puts 2026-07-31 (month_end) at +3.0bp with a band of [-1.0, +7.8], severity 2/5. FOMC decides 2026-07-29, 15 days out. The corporate tax date lands 2026-09-15, 63 days out; tax dates drain reserves on a schedule everyone can read.

What the board is honest about

All sources and engines report live. The misses this board has made sit in PROOF next to the hits; read those before weighting today's letter.

The desk's forward read

Bathymetry puts the odds of an event inside five business days at 4%, mean first-passage roughly 78 business days. The learned model reads 2% for the same window and calls it does not out-rank the rule-based index. The regime chain gives 0% odds of touching STRESS inside 21 business days, with an expected dwell of 11 business days in the current state. Resonance reads 71: the Year-end (G-SIB surcharge snapshot) mode is amplifying at 6.3x, which is the basin ringing louder to the same calendar.

Positioning

The most crowded seat is SOFR-3M, leveraged net -0.22 of open interest (z -2.5). Dealer warehouse holds $428B, the 96th percentile of its history, 40% of it long end. Positioning data is COT and carries its native T+3 lag; the lag is shown, never hidden.

Echoes

episodewindowsimilarity
Mar 2020 dash-for-cashT−22d0.67
Apr 2025 tariff shock basis unwindT−23d0.58
Sep 2025 tax-date squeeze (SOFR +18bp over EFFR)T−15d0.56
Sep 2019 repo spike (SOFR 5.25%, GC 10%)T−3d0.55

Similarity is not destiny. The echo table says this rhymes, and PROOF says how often rhymes mattered.

What would change the desk's mind

Srf or discount window take-up on a day with no calendar excuse, a mover breaching ±3 z on the funding side, or the composite crossing 60. When one of those prints, the letter will say so, in this same place, with the number.

The board recomputes six times a day; this letter freezes one reading of it. Free public data with native lags. Not investment advice.

Written by the terminal from the live board, no model in the loop; every number is checkable on the free board. Seiche is free open source software (AGPL-3.0, source). Plain English guide · Support · Not investment advice.