Unusual Options Activity

ON Unusual Options Activity - ON Semiconductor

Last active day: August 21, 2026
Active days (30d): 21
Biggest recent print: Put $85.0000 · $7.1M

AI summary

On August 21, 2026, ON Semiconductor Corporation (ON) experienced notable options activity, with a total of 12 prints recorded. The call premium reached approximately $1.9 million, while the put premium significantly outweighed it at around $23.7 million, indicating a strong preference for put options among traders. The largest print was for a put option with a strike price of $85 expiring on August 21, 2026, which had a premium of about $7.1 million and a volume-to-open interest ratio of 3.3. Other significant activity included a put option at a strike of $90, with a premium of approximately $4.4 million and a volume-to-open interest ratio of 4.0, as well as a put at $115 with a premium of around $4.7 million and a volume-to-open interest ratio of 3.9. In contrast, the most notable call option was at a strike of $75, expiring on August 20, 2027, with a premium of about $1.8 million and a volume-to-open interest ratio of 3.4. Overall, the put/call balance reflects a bearish sentiment in the market for ON.

AI-generated summary

Prints on August 21, 2026

Ticker	Side	Strike	Expiry	Vol/OI	Premium	IV
ON	Put	$75.0000	08/20/27 (365d)	9.7×	$1.6M	56%
ON	Put	$115.0000	09/18/26 (29d)	3.9×	$4.7M	72%
ON	Put	$90.0000	08/21/26 (1d)	4.0×	$4.4M	145%
ON	Put	$85.0000	08/21/26 (1d)	3.3×	$7.1M	105%
ON	Put	$95.0000	08/21/26 (1d)	3.6×	$1.7M	181%
ON	Call	$75.0000	08/20/27 (365d)	3.4×	$1.8M	62%
ON	Put	$84.0000	08/21/26 (1d)	3.3×	$804K	97%
ON	Put	$105.0000	09/18/26 (29d)	1.5×	$2.1M	73%
ON	Put	$82.0000	08/21/26 (1d)	1.6×	$411K	113%
ON	Call	$80.0000	09/04/26 (15d)	1.8×	$110K	53%
ON	Put	$83.0000	08/21/26 (1d)	1.5×	$783K	174%
ON	Put	$75.0000	08/28/26 (8d)	1.6×	$136K	52%

History

2026-08-2112 prints$1.9M calls$23.7M puts
2026-08-2012 prints$1.9M calls$23.7M puts
2026-08-181 prints$226K calls$0K puts
2026-08-171 prints$226K calls$0K puts
2026-08-142 prints$588K calls$0K puts
2026-08-133 prints$588K calls$134K puts
2026-08-121 prints$0K calls$134K puts
2026-08-111 prints$2.5M calls$0K puts
2026-08-101 prints$2.5M calls$0K puts
2026-08-072 prints$507K calls$887K puts
2026-08-064 prints$3.2M calls$887K puts
2026-08-056 prints$3.0M calls$3.1M puts
2026-08-0412 prints$4.5M calls$4.1M puts
2026-08-038 prints$4.2M calls$1.0M puts
2026-07-302 prints$151K calls$377K puts
2026-07-292 prints$151K calls$377K puts
2026-07-281 prints$0K calls$99K puts
2026-07-273 prints$163K calls$1.5M puts
2026-07-243 prints$574K calls$1.4M puts
2026-07-233 prints$1.1M calls$31K puts

Related tickers

CLBT S LASR TXN CLS UPWK

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