ThetaPal ThetaPal

Manufacturing / Industrial Measurement Instruments & Related Products

MKS INSTRUMENTS INC

MKSI

$208.00

+$10.90 (+5.54%)

Price as of Nov 3, 2026 16:51 UTC

20 B

Market Cap (Large Cap)

26%

IV Rank

59.5%

Implied Volatility

Nov 03

Next Earnings

Technical Signals as of Oct 30
Bearish
0 of 7

Trend

  • Above 20-day average $225.04
  • Above 50-day average $248.93
  • Above 200-day average $250.14 · -19.2%
  • Moving averages stacked Not aligned

Momentum

  • Golden cross (50/200) Down · today
  • Momentum cross (20/50) Down · 66d ago

Volume

  • Below-average volume 1.0x avg

Price & Trend

Daily candles with EMA 20, SMA 50. Drag to zoom.

Options Activity & Greeks

Implied volatility, flow, and dealer positioning from the options market.

Put/Call Ratio

26.09

Bearish skew

Implied Volatility

59.5%

0% percentile

IV vs Realized

Options rich

30d HV 50.3%

Options Heat Map

Delta-risk grid for MKSI options across strikes and expirations. Hover any cell for full Greeks.

Loading option chain data...

Insider Trades

0 buys 50 sells
Date Insider Title Type Shares Value Since Trade
Sep 01, 2026 Mora Elizabeth Sell 300 $75,288 -21.7%
Aug 17, 2026 Donlan Renee Martel Grant 954 $0 -38.7%
Aug 14, 2026 Lee John Tseng-Chung Sell 10,000 $3,020,100 -34.9%
Aug 03, 2026 Williams John Edward Sell 457 $131,758 -31.8%
Jun 12, 2026 Schreiner James Alan Sell 812 $281,282 -43.3%
Jun 12, 2026 Schreiner James Alan Sell 217 $75,299 -43.4%
Jun 12, 2026 Schreiner James Alan Sell 2,471 $853,790 -43.1%
Jun 10, 2026 Schreiner James Alan Sell 781 $247,905 -38.1%
Jun 05, 2026 McCarthy Michelle M Sell 2,434 $767,270 -37.7%
Jun 01, 2026 Mora Elizabeth Sell 300 $95,406 -38.2%

Politician Trades in MKSI

Date Politician Party Type Amount Since Buy
Oct 31, 2025 Lisa C. McClain R Sale $1K-$15K —
Oct 30, 2025 Lisa C. McClain R Sale $1K-$15K —
Oct 30, 2025 Lisa C. McClain R Purchase $1K-$15K +45.0%
Aug 04, 2025 Lisa C. McClain R Purchase $1K-$15K +114.9%
Apr 20, 2025 Ro Khanna D Purchase $1K-$15K +234.9%
Apr 17, 2025 Ro Khanna D Sale $1K-$15K —
Apr 17, 2025 Ro Khanna D Sale $1K-$15K —
Apr 16, 2025 Ro Khanna D Sale $1K-$15K —
Apr 16, 2025 Ro Khanna D Sale $1K-$15K —
Apr 16, 2025 Ro Khanna D Sale $1K-$15K —

Track MKSI with ThetaPal

Get insider trade alerts, AI portfolio analysis, and options roll recommendations for MKSI and your entire portfolio.