Same-day contracts accounted for 76% of tracked SPY option volume by 09:32 ET
As of , published from Oct 23, 2026, 09:47 ET. Source: delayed broker chain.
On the page at squawkflow.com/options-flow/2026-10-23/spy-oct-23-2026-same-day-share: the follow-up at the next settlement and at the Oct 23, 2026 expiry, each added once recorded; the evidence table and the rule that fired; and up to six other SPY snapshots from Oct 23, 2026.
96,233 of 126,515 tracked contracts on Oct 23, 2026, puts 48,585 and calls 47,648. Tracked: up to 40 strikes around the money across 33 expirations.
Same day76%
Of which47,648 C / 48,585 P
Evidence
The numbers behind this snapshot, Oct 23, 2026, 09:32 ET. Session volume from delayed options chain snapshots, published at least 15 minutes after capture. Totals cover the strikes captured around the money, not every listed strike. Not individual trades. Premium is an estimate: volume times the quote midpoint.
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 11 sessions. 371,322 put and 79,902 call contracts by 14:42 ET on Oct 23, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
SPY calls expiring that date in the strikes we track traded 0.5x their open interest, by 09:37 ET on Oct 23, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 11 sessions. 5,310 put and 1,483 call contracts by 09:37 ET on Oct 23, 2026. Tracked: up to 40 strikes around the money across 33 expirations.