ASE Technology Holding Co., Ltd. options tape
Read from CBOE's delayed chain on 26 September 2026, with ASE Technology Holding Co., Ltd. at $44.50: open interest within 90 days was 41,006 call and 25,199 put contracts, a put/call ratio of 0.61; the day's volume was 402 calls and 123 puts (0.31). The most call open interest sits at the $47.50 strike (15,099 contracts) and the most put open interest at $40.00 (8,053). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 10.3% of spot. For 16 October 2026, implied volatility was 49.4% at the put 5% below spot and 54.6% at the call 5% above, -5.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $47.50 | 15,099 |
| Puts | $40.00 | 8,053 |
The strike with the most open interest on each side, across expiries within 90 days.
Open-interest builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for ASX, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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