MPWR options flow: unusual options activity in Monolithic Power Systems, Inc.
Updated 28 September 2026, 09:54 ET
Over the last week the tape recorded 78 unusual options prints in Monolithic Power Systems, Inc. (MPWR), $7.2M of tracked premium, leaning firmly bullish. Bullish premium was $4.2M against $1.6M bearish; $4.2M went into calls and $3.0M into puts, a put call ratio of 0.70. The largest print was $897K of MPWR 20 Nov 2026 $1,400 calls on 25 September 2026, swept below bid. The last session with prints, 25 September 2026, added 10 prints and $2.7M of premium. MPWR closed at $1,367.43 on 25 September 2026, up 2.4%.
This week's unusual flow
Prints from 21 September 2026 to 25 September 2026, 5 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 |
|---|---|---|---|---|---|---|---|---|
| 25 Sep 2026 | MPWR 20 Nov 2026 $1,400 calls | Sweep | 81 | 51 | $897K | Below bid | Bearish | Whale |
| 22 Sep 2026 | MPWR 15 Jan 2027 $1,340 calls | Trade | 50 | 52 | $760K | At ask | Bullish | High conviction |
| 25 Sep 2026 | MPWR 15 Jan 2027 $1,360 puts | Sweep | 45 | 3 | $681K | At bid | Bullish | High conviction |
| 25 Sep 2026 | MPWR 20 Nov 2026 $1,360 puts | Sweep | 45 | 36 | $513K | At bid | Bullish | High conviction |
| 22 Sep 2026 | MPWR 15 Jan 2027 $1,680 calls | Sweep | 58 | 9 | $414K | At ask | Bullish | Whale |
| 25 Sep 2026 | MPWR 16 Oct 2026 $1,420 calls | Trade | 40 | 6 | $192K | At bid | Neutral | Notable |
| 22 Sep 2026 | MPWR 16 Oct 2026 $1,210 calls | Trade | 10 | 11 | $172K | Above ask | Bullish | Notable |
| 22 Sep 2026 | MPWR 18 Dec 2026 $1,250 puts | Trade | 18 | 28 | $158K | At ask | Neutral | |
| 21 Sep 2026 | MPWR 16 Oct 2026 $1,260 puts | Sweep | 21 | 11 | $147K | At bid | Neutral | Notable |
| 22 Sep 2026 | MPWR 16 Oct 2026 $1,480 calls | Sweep | 53 | 10 | $126K | At ask | Bullish | High conviction |
| 21 Sep 2026 | MPWR 16 Oct 2026 $1,160 puts | Sweep | 42 | 42 | $117K | At ask | Bearish | Notable |
| 21 Sep 2026 | MPWR 16 Oct 2026 $1,060 puts | Sweep | 122 | 30 | $99K | At bid | Bullish | High conviction |
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 |
|---|---|---|---|---|
| 15 Jan 2027 | 6 | $2.0M | 62% | +$2.0M |
| 20 Nov 2026 | 9 | $1.7M | 63% | -$408K |
| 16 Oct 2026 | 20 | $1.5M | 63% | +$511K |
| 17 Dec 2027 | 23 | $1.1M | 84% | +$269K |
| 18 Dec 2026 | 3 | $340K | 0% | +$15K |
| 19 Mar 2027 | 9 | $247K | 0% | +$63K |
The most premium, $2.0M, is aimed at the 15 Jan 2027 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, 25 September 2026
| Date | Contract | Type | Size | Open int. | Premium | Execution | Sentiment | Tier |
|---|---|---|---|---|---|---|---|---|
| 25 Sep 2026 | MPWR 20 Nov 2026 $1,400 calls | Sweep | 81 | 51 | $897K | Below bid | Bearish | Whale |
| 25 Sep 2026 | MPWR 15 Jan 2027 $1,360 puts | Sweep | 45 | 3 | $681K | At bid | Bullish | High conviction |
| 25 Sep 2026 | MPWR 20 Nov 2026 $1,360 puts | Sweep | 45 | 36 | $513K | At bid | Bullish | High conviction |
| 25 Sep 2026 | MPWR 16 Oct 2026 $1,420 calls | Trade | 40 | 6 | $192K | At bid | Neutral | Notable |
| 25 Sep 2026 | MPWR 18 Dec 2026 $2,320 puts | Trade | 1 | 0 | $98K | At bid | Bullish | Notable |
Every print in MPWR with its full detail, the live tape, one tap filters and saved screeners: open MPWR in Options Sentiment Screener.
Price
The live quote and the price chart sit beside the ticker's flow in the app: open MPWR in Options Sentiment Screener.
Analysts
The most recent analyst targets on file, from 8 firms, have a median of $1,825, 33.5% 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 Monolithic Power Systems, Inc.
- Exchange
- Nasdaq
- Sector
- Information Technology
- Industry
- Electronic Equipment
- Headquarters
- SAN JOSE, Washington
- Website
- monolithicpower.com
Monolithic Power Systems, Inc. provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems. The company sells its products through third-party distributors and value-added resellers.
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 MPWR 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 MPWR in Options Sentiment Screener