$287.81▼ −4.40 · −1.5%from $292.21 the session before · Sep 30, 2026 close · end of day
Open
$294.66
High
$299.50
Low
$282.25
Day's range
$175.9% of the previous close
VWAP
$286.36close +0.51% from it
Volume, shares
5.35M0.84× the 20-session average
Traded, $
$1.53B
Trades
119K45 shares per trade
Previous close
$292.21−4.40 to the close
Market cap
$56.36Bat the close of Sep 30
Day range32% of the way up
$282.25$299.50
52-week range32% of the way up
$215.55 Mar 30$440.00 Jun 3
−35% from the high · +34% from the low
The desk read · Sep 30expiry Oct 16 · 16 days
put-heavy
options read
calls 42% · puts 58% of OI
1.41
puts per call, by OI
Oct 16 expiry 1.51
$315.00
max pain
+9.4% from the close
$320.00
most call OI
1.76K contracts · +11% from the close
▲ +2.3%
option OI on the day
+5.97K contracts · 262K open
Put-heavy into a 16-day expiry: 1.41 puts per call by open interest, option OI +2.3% on the day, the most call OI sits at $320.00, the most put OI at $240.00, max pain $315.00.
Options
Sep 30 open interest · 19 expiries listed
COHR options carry 262K contracts of open interest across 19 expiries, 17% of it in the Oct 16 contract, with 1.41 puts per call.
Open interest by expirythe next 8 of 19 expiries · share of all open interest
Option open interest by expiry, the next 8 expiries
Expiry
Call OI · on the day
Put OI · on the day
Puts per call
Share of OI %
Strikes
Oct 22 days
14.8K−146
12.8K−23
0.86
11
108
Oct 99 days
5.28K+395
4.84K+859
0.92
3.9
90
Oct 1616 days
18.2K+117
27.6K+171
1.51
17
90
Oct 2323 days
2.1K+198
4.93K+431
2.35
2.7
59
Oct 3030 days
2.17K+252
4K+567
1.85
2.4
59
Nov 637 days
330+74
787+189
2.38
0.43
57
Nov 2051 days
15.3K+337
21.3K+343
1.39
14
63
Dec 1879 days
1.7K+17
5.48K+375
3.22
2.7
37
68% of open interest sits beyond the Oct 16 contract · 90 strikes listed for it · 262K contracts open in all
Monthly contractOct 16 expiry · 16 days
The Oct 16 contract holds 18.2K calls and 27.6K puts, the most call OI at $320.00 and the most put OI at $240.00; max pain $315.00, +9.4% from the close.
Call OI, contracts
18.2K+117 on the day
Put OI, contracts
27.6K+171 on the day
Puts per call, by OI
1.51all expiries 1.41
Max pain
$315.00+9.4% from the close
Strikes listed
90for this expiry
Open interest by strike, contractstop three strikes each side
Calls
Strike
Puts
1.18K
$500.00
1.11K
$400.00
1.76K
$320.00
$250.00
1.97K
$240.00
3.38K
$200.00
1.73K
Open interest added on the day, contractsthree largest additions each side
Calls
Strike
Puts
+19
$307.50
+27
$290.00
+29
$282.50
$270.00
+24
$260.00
+58
$210.00
+78
Close $ · S&P 500 rebased to the first close126 sessions to Sep 30 · axis fixed at 4 × ATR-14 around the last close · hover or tap a session and the read beside the chart follows it
consolidated · latest filed Aug 14, 2026 · SEC filings
Revenue $2.05B, +34% on a year earlier; profit $240.5M in the Jun 2026 quarter, consolidated.
Last 8 quarters, consolidatedUS dollars as filed · year on year against the same quarter a year earlier · market: close on the first session after the filing against the last close before it, S&P 500 over the same session
Quarterly results of COHR on the consolidated basis with the market's move on the first session after each filing
Quarter
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
Market on the day
Jun 2026filed Aug 14
$2.05B
▲ +34%
$240.5M
—
1.20
▲ +7.8%S&P 500 −0.5% · +8.3 pp
Mar 2026filed May 6
$1.81B
▲ +21%
$191.4M
▲ +1,100%
0.97
▼ −7.4%S&P 500 −0.3% · −7.1 pp
Dec 2025filed Feb 4
$1.69B
▲ +17%
$146.7M
▲ +42%
0.76
—not reached
Sep 2025filed Nov 5
$1.58B
▲ +17%
$226.3M
▲ +770%
1.19
—not reached
Jun 2025filed Aug 15
$1.53B
▲ +16%
−$95.6M
—
-0.81
—not reached
Mar 2025filed May 6
$1.50B
▲ +24%
$15.7M
—
-0.11
▼ −7.4%S&P 500 −0.3% · −7.1 pp
Dec 2024filed Feb 4
$1.43B
▲ +27%
$103.4M
—
0.44
—not reached
Sep 2024filed Nov 5
$1.35B
▲ +28%
$25.9M
—
-0.04
—not reached
By fiscal yearfiscal years as filed in the 10-K · named by the year the fiscal year ends
Financial-year results of COHR on the consolidated basis, summed from the quarters filed
Year
Revenue $
Revenue YoY
Profit $
Profit YoY
EPS $
FY26to Jun 2026
$7.12B
▲ +23%
$805.0M
▲ +1,500%
4.12
FY25to Jun 2025
$5.81B
▲ +23%
$49.4M
—
-0.52
FY24to Jun 2024
$4.71B
▼ −8.8%
−$156.2M
—
-1.84
FY23to Jun 2023
$5.16B
▲ +56%
−$259.5M
▼ −210%
-2.93
FY22to Jun 2022
$3.32B
▲ +6.8%
$234.8M
▼ −21%
1.45
Fundamentals
consolidated · filings to Jun 2026 · close $287.81 on Sep 30
COHR trades at 70 times trailing earnings, 5.2 times book value, revenue +23% over twelve months, market cap $56.36B.
Valuation
Market cap
$56.36Bon Sep 30
Price to earnings
70consolidated · four quarters to Jun 2026
Trailing EPS
$4.12diluted · consolidated · four quarters to Jun 2026
Price to book
5.2consolidated · balance sheet to Jun 2026
Book value a share
$55.68consolidated · balance sheet to Jun 2026
Debt to equity
0.30borrowings over equity · consolidated · balance sheet to Jun 2026
Return on equity
9.7%trailing profit over average equity · consolidated
Dividend yield
—
Price to sales
7.9market cap over revenue, four quarters to Jun 2026
Shares outstanding
196Mon Sep 30
Growthsums of the four quarters filed to Jun 2026 · growth against the four quarters before them · consolidated
Revenue, trailing 12 months
$7.12Bfour quarters to Jun 2026
Revenue growth, 12 months
▲ +23%against the twelve months before
Revenue 3-year CAGR
▲ +11%trailing twelve months against the twelve months 3 years earlier · consolidated
Profit, trailing 12 months
$805.0Mfour quarters to Jun 2026
Profit growth, 12 months
▲ +1,500%against the twelve months before
Profit 3-year CAGR
—
Shareholding
quarter to Jun 2026 · SEC Form 13F
13F managers hold 170% of shares, BlackRock, Inc. the largest at 17%, VANGUARD CAPITAL MANAGEMENT LLC 13% and FMR LLC 11%, as filed for the quarter to Jun 2026.
17.0%13.0%11.3%127.5%
BlackRock, Inc. 17.0%
VANGUARD CAPITAL MANAGEMENT LLC 13.0%
FMR LLC 11.3%
Other 13F managers 127.5%
Held by 13F managers
170%of shares outstanding
Shares held
330M−5.9% on Mar 2026 among managers filing both
Managers holding
1,2351,039 a quarter earlier
Largest holder
17%BlackRock, Inc.
Largest 10 holderspercent of shares outstanding · change in shares against the previous quarter
Largest 13F holders of COHR
Manager
Shares
Of outstanding
Value
Change on quarter
BlackRock, Inc.
33.2M
17%
$13.10B
+3.31M
VANGUARD CAPITAL MANAGEMENT LLC
25.5M
13%
$10.07B
+1.17M
FMR LLC
22M
11%
$8.69B
−23.3M
VANGUARD PORTFOLIO MANAGEMENT LLC
20M
10%
$7.90B
+1.11M
STATE STREET CORP
17.2M
8.8%
$6.78B
+1.69M
NVIDIA CORP
15.6M
8.0%
$6.14B
unchanged
Invesco Ltd.
14.9M
7.6%
$5.86B
+1.44M
GEODE CAPITAL MANAGEMENT, LLC
10.5M
5.4%
$4.14B
+62.3K
Capital International Investors
7.2M
3.7%
$2.84B
—
MORGAN STANLEY
6.56M
3.4%
$2.59B
+1.05M
Insider tradesSEC Forms 3, 4 and 5 · the latest 10
No open-market insider buying or selling in the last 90 days.
COHR insider trades
Insider
Trade
Shares
Price
Held after
ANDERSON JAMES ROBERTDirector,Officer
withheld for tax · Jun 3, 2026
25,836
$426.89
166,438
Luther Sherri ROfficer
sold · May 12, 2026
2,000
$372.96
68,475
Xia Howard H.Director
exercised · May 11, 2026
2,000
$21.67
52,298
Xia Howard H.Director
sold · May 11, 2026
500
$368.00
50,298
Xia Howard H.Director
sold · May 11, 2026
500
$344.00
51,798
Xia Howard H.Director
sold · May 11, 2026
500
$348.00
51,298
Xia Howard H.Director
sold · May 11, 2026
500
$358.00
50,798
Luther Sherri ROfficer
sold · Apr 22, 2026
2,000
$351.00
70,475
Xia Howard H.Director
exercised · Mar 16, 2026
1,000
$21.67
51,298
Xia Howard H.Director
sold · Mar 16, 2026
1,000
$258.00
50,298
Corporate actions
exchange records
No corporate action on record for COHR yet.
Price history
131 sessions on record · to Sep 30 · end of day
COHR is +5.8% over 20 sessions against the S&P 500's +0.1%, 35% below its 52-week high, realised volatility 80% annualised.
Returns against S&P 500longest window first · S&P 500 over the same sessions
Returns of the stock and S&P 500 over six windows, longest first
Window
From $
COHR %
S&P 500 %
Difference pp
120 sessionssince Apr 9
$284.17
▲ +1.3%
▲ +12%
−11
60 sessionssince Jul 7
$314.13
▼ −8.4%
▲ +2.0%
−10
20 sessionssince Sep 1
$272.03
▲ +5.8%
▲ +0.11%
+5.7
5 sessionssince Sep 23
$300.58
▼ −4.2%
▼ −0.67%
−3.6
1 sessionsince Sep 29
$292.22
▼ −1.5%
▼ −0.21%
−1.3
Averages of the closeclose against each average
5-session average
$289.78close −0.68% from it
20-session average
$292.06close −1.5% from it
50-session average
$296.41close −2.9% from it
Range and volumetrue range over 14 sessions · high to low over 20 · volume against the 20-session average
Average true range, 14
$206.8% of the close
Average day's range, 20
$175.9% of the close
Volume against 20 sessions
0.84×5.35M vs 6.35M average
Volatility and co-movement with S&P 500annualised from daily returns
Realised volatility, 20
80%≈ ±5.0% a session · moved more than that on 5 of 20
Realised volatility, 60
100%≈ ±6.3% a session · moved more than that on 19 of 60
Beta to S&P 500, 60
3.70moved with S&P 500 on 34 of 60 sessions
Up and down sessionscloses above and below the previous close
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