As of , published from Oct 21, 2026, 10:02 ET. Source: delayed broker chain.
On the page at squawkflow.com/options-flow/2026-10-21/spy-puts-oct-30-2026-put-call-skew: the follow-up at the next settlement and at the Oct 30, 2026 expiry, each added once recorded; the evidence table and the rule that fired; and up to six other SPY snapshots from Oct 21, 2026.
The median is SPY's put/call volume ratio for contracts 1 to 3 weeks out over the last 9 sessions. 59,078 put and 5,695 call contracts by 09:47 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
| Measure | Value |
|---|---|
| Call volume (contracts) | 5,695 |
| Put volume (contracts) | 59,078 |
| Call open interest, prior settlement | 176,388 |
| Put open interest, prior settlement | 287,457 |
| Call premium, est. (USD) | $2.8M |
| Put premium, est. (USD) | $18.5M |
| Put/call volume ratio | 10.4x |
| Days to expiry | 9 |
Count of contracts whose single last trade sat near the ask or bid. Not the side of the session's volume. It is not used in the headline.
| Side of chain | Near ask | Near bid | Other |
|---|---|---|---|
| Calls | 7 | 19 | 7 |
| Puts | 28 | 2 | 1 |
SPY calls expiring that date in the strikes we track traded 1.7x their open interest, by 09:42 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's call/put volume ratio for contracts 1 to 3 weeks out over the last 9 sessions. 4,208 call and 2,115 put contracts by 09:42 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's put/call volume ratio for contracts within a week over the last 9 sessions. 3,084 put and 621 call contracts by 09:32 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
The median is SPY's put/call volume ratio for contracts within a week over the last 9 sessions. 2,039 put and 764 call contracts by 09:32 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 33 expirations.
93,133 of 129,474 tracked contracts on Oct 21, 2026, puts 48,174 and calls 44,959. Tracked: up to 40 strikes around the money across 33 expirations.