Corning Inc. /NY options tape
Read from CBOE's delayed chain on 23 September 2026, with Corning Inc. /NY at $160.10: open interest within 90 days was 117,716 call and 146,570 put contracts, a put/call ratio of 1.25; the day's volume was 13,041 calls and 11,296 puts (0.87). The most call open interest sits at the $165.00 strike (13,317 contracts) and the most put open interest at $145.00 (11,572). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 4.7% of spot. For 16 October 2026, implied volatility was 61.7% at the put 5% below spot and 58.6% at the call 5% above, +3.1 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $165.00 | 13,317 |
| Puts | $145.00 | 11,572 |
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 $250.00 | 1,442 | 635 | $366,989 |
| 25 September 2026 put at $155.00 | 1,072 | 477 | $190,280 |
| 2 October 2026 put at $146.00 | 214 | 87 | $31,672 |
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 |
|---|---|---|
| 25 September 2026 call at $170.00 | 2,344 | +596 |
| 25 September 2026 call at $165.00 | 1,112 | +446 |
| 16 October 2026 put at $145.00 | 3,686 | +415 |
| 16 October 2026 call at $157.50 | 383 | +383 |
| 25 September 2026 put at $141.00 | 448 | +354 |
| 25 September 2026 call at $167.50 | 687 | +337 |
| 25 September 2026 put at $157.50 | 341 | +290 |
| 2 October 2026 put at $135.00 | 1,480 | +289 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for GLW, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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