Morgan Stanley options tape
Read from CBOE's delayed chain on 23 September 2026, with Morgan Stanley at $200.53: open interest within 90 days was 52,270 call and 76,064 put contracts, a put/call ratio of 1.46; the day's volume was 9,047 calls and 6,524 puts (0.72). The most call open interest sits at the $220.00 strike (8,412 contracts) and the most put open interest at $200.00 (8,751). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.5% of spot. For 16 October 2026, implied volatility was 35.5% at the put 5% below spot and 34.6% at the call 5% above, +1.0 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $220.00 | 8,412 |
| Puts | $200.00 | 8,751 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 18 December 2026 call at $190.00 | 1,069 | 309 | $2.0 million |
| 16 October 2026 call at $215.00 | 1,547 | 58 | $338,793 |
| 25 September 2026 call at $205.00 | 379 | 171 | $31,457 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 18 December 2026 call at $220.00 | 1,577 | +862 |
| 16 October 2026 call at $207.50 | 291 | +291 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for MS, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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