KLAC options flow: unusual options activity in KLA Corp.
Updated 28 September 2026, 09:54 ET
Over the last week the tape recorded 230 unusual options prints in KLA Corp. (KLAC), $15.7M of tracked premium, leaning bullish. Bullish premium was $8.5M against $5.1M bearish; $11.6M went into calls and $4.2M into puts, a put call ratio of 0.36. The largest print was $1.3M of KLAC 21 Jan 2028 $370 calls on 22 September 2026, executed at ask. The last session with prints, 28 September 2026, added 1 print and $34K of premium. KLAC closed at $187.92 on 25 September 2026, up 0.4%.
This week's unusual flow
Prints from 21 September 2026 to 28 September 2026, 6 sessions. Delayed tier: every print is shown twenty minutes after it executed, and the page is rebuilt after each session.
Net premium is bullish minus bearish premium. The put call ratio is put premium divided by call premium, weighted by money rather than by contract count. Sweeps is the share of prints executed across several exchanges at once. Read the guide: Reading the Pulse.
Largest prints of the week
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 22 Sep 2026 | KLAC 21 Jan 2028 $370 calls | Trade | 800 | 213 | $1.3M | At ask | Bullish | Whale |
| 22 Sep 2026 | KLAC 21 Jan 2028 $260 calls | Trade | 300 | 470 | $876K | At ask | Neutral | Notable |
| 25 Sep 2026 | KLAC 21 Jan 2028 $180 puts | Sweep | 144 | 383 | $554K | At ask | Bearish | High conviction |
| 25 Sep 2026 | KLAC 19 Mar 2027 $188 calls | Sweep | 137 | 47 | $423K | At ask | Bullish | Whale |
| 21 Sep 2026 | KLAC 20 Nov 2026 $172 calls | Trade | 99 | 1,646 | $238K | At ask | Bullish | Notable |
| 21 Sep 2026 | KLAC 16 Oct 2026 $190 puts | Trade | 149 | 277 | $235K | At bid | Bullish | Notable |
| 21 Sep 2026 | KLAC 20 Nov 2026 $172 calls | Trade | 100 | 1,646 | $230K | At bid | Bearish | Notable |
| 21 Sep 2026 | KLAC 19 Jan 2029 $250 calls | Sweep | 40 | 72 | $199K | At ask | Bullish | High conviction |
| 24 Sep 2026 | KLAC 20 Nov 2026 $172 calls | Trade | 80 | 1,528 | $190K | At bid | Bearish | Notable |
| 25 Sep 2026 | KLAC 23 Oct 2026 $200 calls | Trade | 256 | 90 | $172K | At bid | Bearish | Notable |
| 22 Sep 2026 | KLAC 20 Nov 2026 $172 calls | Trade | 60 | 1,639 | $150K | At ask | Bullish | Notable |
| 22 Sep 2026 | KLAC 21 Jan 2028 $290 calls | Sweep | 53 | 869 | $134K | At ask | Bullish | Notable |
Size above open interest means the trade opened a position larger than everything that existed in the contract the night before. Above ask and below bid are the most aggressive executions. Read the guide: Size versus open interest.
Where the money is aimed
| Expiry | Prints | Premium | Calls share | Net premium |
|---|---|---|---|---|
| 21 Jan 2028 | 21 | $3.8M | 81% | +$1.2M |
| 17 Jun 2027 | 51 | $2.9M | 71% | +$1.3M |
| 20 Nov 2026 | 22 | $1.7M | 87% | +$243K |
| 15 Jan 2027 | 26 | $1.5M | 52% | -$134K |
| 19 Mar 2027 | 21 | $1.3M | 65% | +$224K |
| 16 Oct 2026 | 21 | $1.3M | 57% | +$413K |
The most premium, $3.8M, is aimed at the 21 Jan 2028 expiry; the nearest expiry with unusual prints is 16 Oct 2026.
A print in a contract expiring this week is a view about the next few days, often about a known event; a print months out is a different kind of statement. Read the guide: 0DTE options flow.
The last session, 28 September 2026
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 28 Sep 2026 | KLAC 21 Jan 2028 $230 calls | Trade | 9 | 314 | $34K | At ask | Bullish |
Every print in KLAC with its full detail, the live tape, one tap filters and saved screeners: open KLAC in Options Sentiment Screener.
Price
The live quote and the price chart sit beside the ticker's flow in the app: open KLAC in Options Sentiment Screener.
Analysts
The most recent analyst targets on file, from 17 firms, have a median of $238, 26.6% above the last close.
Calls bought at a strike above the average target are a bet that the analysts are too cautious; puts far below the price in a name they like are protection or a strong disagreement. Read the guide: Reading one ticker's flow.
About KLA Corp.
- Exchange
- Nasdaq
- Sector
- Information Technology
- Industry
- Measuring And Control Equipment
- Headquarters
- Milpitas, California
- Website
- kla.com
KLA Corporation designs, manufactures, and markets process control and yield management solutions for semiconductor and related nanoelectronics industries. The company offers chip and wafer manufacturing products, including defect inspection and review systems, metrology solutions, in situ process monitoring products, computational lithography software, and data analytics systems.
In the same sector
Flow pages for other Information Technology names in the S&P 500:
NVDA NVIDIA Corp.AAPL Apple Inc.MSFT Microsoft Corp.AVGO Broadcom Inc.MU Micron Technology Inc.AMD Advanced Micro Devices Inc.INTC Intel Corp.PLTR Palantir Technologies Inc.
Learn
- What unusual options activity means
- Reading one ticker's flow
- Sweeps, blocks and where a trade printed
- Size versus open interest
- Bullish or bearish, how a print's sentiment is inferred
- The conviction score and whale prints
The live tape for KLAC with every print's execution detail, one tap filters for calls, puts, sweeps and 0DTE, saved screeners and, for Realtime subscribers, push alerts and no delay. The same screen is in the iOS and Android apps.
Open KLAC in Options Sentiment Screener