What is the all time high of CBOX?

Calamos Tax-Aware Collateral ETF (CBOX) closed at its highest ever adjusted price, $103.54, on Jun 2, 2026. Its lowest close was $100.01 on Apr 17, 2026.

How much has CBOX returned since Apr 17, 2026?

+1.8% in price terms from the first stored close to Sep 28, 2026.

What was the worst drawdown in CBOX history?

-2.9% from the Jun 2, 2026 peak to the Jun 3, 2026 trough on adjusted closes; the previous peak has not been regained as of the last stored session.

How far back does CBOX historical data go?

The daily series starts on Apr 17, 2026 and runs to Sep 28, 2026: 113 trading sessions across 0.4 years. Minute bars start on Jul 13, 2026 and are captured forward, never backfilled.

Are CBOX historical prices adjusted for splits and dividends?

Yes. The page uses the fully adjusted series, in which every past price is scaled for later splits and cash dividends so returns are comparable across the whole history. The API also serves raw prices, split adjusted only and dividend adjusted only.

How do I get CBOX historical data?

Register for a free key and call the bars endpoint: it returns date, open, high, low, close and volume as JSON, one year back on the free plan and the full series from Apr 17, 2026 on Quant and above. Minute history comes with the paid plans.

Cboe BZX · CBOX · ETF

Calamos Tax-Aware Collateral ETF (CBOX) ETF price history

Every Cboe BZX trading session of Calamos Tax-Aware Collateral ETF from Apr 17, 2026 to Sep 28, 2026: 113 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

Get CBOX data, free key Year by year table

CBOX adjusted close, 2026 to 2026

CBOXCalamos Tax-Aware Collateral ETF

$101.84

$103.54
All time high, 2026: $103.54
52 week high, $100.03 low: 113
Daily sessions since 2026

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.

CBOX key facts

Calamos Tax-Aware Collateral ETF (CBOX) closed at $101.84 on Sep 28, 2026 on Cboe BZX.
CBOX's all time high close is $103.54, set on Jun 2, 2026; its all time low close is $100.01 on Apr 17, 2026.
CBOX's 52 week range is $100.03 to $103.54.
CBOX's deepest drawdown was -2.9% from Jun 2, 2026 to Jun 3, 2026.
DataCedar holds 113 daily sessions of CBOX history from Apr 17, 2026 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

CBOX price chart, 2026 to 2026

Adjusted daily close. 113 sampled points across the full history; the API serves every session.

CBOX returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

Period	Return
1 month	+0.3%
3 months	+1.1%
6 months	n/a
Year to date	n/a
1 year	n/a
3 years	n/a
5 years	n/a
10 years	n/a
Since Apr 17, 2026	+1.8%

CBOX records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close: $103.54 on Jun 2, 2026
All time low close: $100.01 on Apr 17, 2026
52 week high: $103.54 on Jun 2, 2026
52 week low: $100.03 on Apr 22, 2026
Deepest drawdown: -2.9% from Jun 2, 2026 to Jun 3, 2026, not yet recovered
Best single session: +3.0% on Jun 2, 2026
Worst single session: -2.9% on Jun 3, 2026
Volatility, 1 year annualised: 6.3%
Sessions closing higher, 1 year: 67%

CBOX price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2026 starts on Apr 17, 2026; 2026 runs to Sep 28, 2026.

Year	Open	High	Low	Close	Return	Volume	Sessions
2026	$100.03	$103.54	$100.01	$101.84	n/a	16.4M	113

CBOX monthly closes, last 12 months

Month	Month end close	Change
September 2026	$101.84	+0.3%
August 2026	$101.54	+0.4%
July 2026	$101.16	+0.4%
June 2026	$100.80	+0.3%
May 2026	$100.48	+0.3%
April 2026	$100.17	n/a

About the CBOX data

Daily bars. 113 sessions from Apr 17, 2026 to Sep 28, 2026, one row per Cboe BZX trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Cboe BZX trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Apr 17, 2026, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/CBOX/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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