ZS options flow
From the October 21, 2026 session tape · published after the close
ZS options traded $7.5M in premium across 507 prints on October 21, 2026: 73% in calls and 27% in puts, with 0% in contracts expiring that day. That was 122% of its average session over the prior 19.
ZS largest options trades, October 21, 2026
| Time | Contract | Size | Price | Premium |
|---|---|---|---|---|
| 11:50 | 220C Dec 18 | 89 | $26.88 | $239K |
| 13:37 | 225P Nov 27 | 155 | $14.90 | $231K |
| 12:17 | 220C Dec 18 | 81 | $27.11 | $220K |
| 10:42 | 232.5C Oct 23 | 585 | $2.87 | $168K |
| 12:17 | 220P Dec 18 | 83 | $19.05 | $158K |
| 10:42 | 235C Oct 23 | 704 | $2.20 | $155K |
| 14:31 | 220C Nov 20 | 75 | $20.27 | $152K |
| 13:23 | 200P Nov 20 | 417 | $3.55 | $148K |
| 11:50 | 220P Dec 18 | 73 | $19.30 | $141K |
| 16:00 | 225P Nov 6 | 174 | $7.95 | $138K |
| 11:22 | 217.5P Oct 30 | 294 | $4.35 | $128K |
| 10:42 | 230C Oct 23 | 270 | $4.00 | $108K |
| 11:36 | 250C Dec 18 | 58 | $15.41 | $89K |
| 10:42 | 250P Dec 18 | 21 | $38.25 | $80K |
| 10:42 | 230C Jan 15 | 29 | $26.86 | $78K |
The largest single ZS print was a 220 call expiring Dec 18 for $239K at 11:50 ET.
The busiest strikes by premium were 220 calls ($1.3M), 230 calls ($706K), 250 calls ($598K), 235 calls ($482K).
Last 20 sessions of ZS premium, calls vs puts: Oct 15 $4.8M (46% calls) · Oct 16 $7.9M (42% calls) · Oct 19 $4.0M (61% calls) · Oct 20 $2.2M (60% calls) · Oct 21 $7.5M (73% calls).
A large print is a trade, not a verdict: it can be a hedge, a close, or one leg of a spread. Read it next to where dealers are positioned, on the other ZS pages.
These are the October 20, 2026 closing numbers. Members see ZS's map move live all session.
Common questions
$7.5M in premium across 507 prints, 73% calls. The largest print was a 220 call for $239K.
73% of premium was in calls. Premium alone does not show direction: buyers and sellers, hedges and spreads all print the same way.
No. This page shows the last completed session, published after the close. Members see the flow as it prints.
Compare: options flow on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.