Short Rates Desk
Mon, May 18, 2026

Notes for Mon, May 18, 2026

Close brief

· generated 08:13 ET

Status quo into the auction block, specials map says demand is there, we'd fade any concession.

Quiet tape, no new commentary, but the seclend board telegraphs real bid for tomorrow's coupon supply.

The read

No Tier 1 updates, no fresh commentary, no observation refresh since this morning, priors carry. The session was a placeholder ahead of the auction slate, and we're treating the absence of news as information: nothing dislodged the morning's framing.

Where we lean is the supply setup. The current 2Y on-the-run, the 3.750% 04/30/28[1] (912797TM9-adjacent cohort, CUSIP 91282CQL8), printed 6.4 bp through the seclend floor on the 5/15 auction[2], that's a real specialness signal heading into a coupon-heavy week. Stack that against three bills also above 5.5 bp special[3] and the picture is a financing market already paying up to source paper. We'd fade any tail at tomorrow's stop; concession into a bid-up specials board is the kind of setup where indirects bail out the dealer.

The alternate read is that specials are a stale signal, Friday print, Monday tape, and the cohort could decompress overnight on bill paydowns. Weighting against it: four issues sit above 5.5 bp[4], not one, so this isn't a single-CUSIP squeeze. View breaks if EFFR-IORB or SOFR prints jump on tomorrow's NY Fed publish and force a re-baseline on funding. Assumes Treasury holds the bill-issuance cadence from the May refunding through month-end.

What we're watching into tomorrow

Auction stops and tails on the coupon side; we want to see whether the specialness in the 2Y cohort translates to a stop-through. On the funding side, the 5/14 SOFR[5] and EFFR prints are the freshest reference we have in inventory[6], anything that widens SOFR-IORB on tomorrow's publish would soften our supply-absorption call. TGA last filed 5/13[7]; the Treasury Daily Statement at 4 PM ET tomorrow is the next read on cash balance trajectory into settlement.

Citations

  1. [1]3.750% 04/30/28 (91282CQL8 (T 03.750 04/30/28) at 6.4 bp below floor on 2026-05-15) — Observation · observation:seclend_observations:91282CQL8:2026-05-15
  2. [2]6.4 bp through the seclend floor on the 5/15 auction (91282CQL8 at 6.4 bp) — Observation · observation:seclend_observations:91282CQL8:2026-05-15
  3. [3]three bills also above 5.5 bp special (912797UX3 7.0 bp; 912797TM9 6.7 bp; 912797RS8 5.9 bp; 912797UH8 5.6 bp) — Observation · observation:seclend_observations:912797UX3:2026-05-15
  4. [4]four issues sit above 5.5 bp (912797TM9 (B 01/21/27) at 6.7 bp) — Observation · observation:seclend_observations:912797TM9:2026-05-15
  5. [5]5/14 SOFR (SOFR latest obs_date 2026-05-14) — NY Fed SOFR · May 14, 2026
  6. [6]EFFR prints are the freshest reference we have in inventory (EFFR latest obs_date 2026-05-14) — NY Fed EFFR · May 14, 2026
  7. [7]TGA last filed 5/13 (tga_observations latest obs_date 2026-05-13) — Treasury General Account · May 13, 2026

Generated by Short Rates Desk. Informational only. Not investment advice.