What is the all time high of ARCIW?

Archimedes Tech SPAC Partners III Co. (ARCIW) closed at its highest ever adjusted price, $0.6500, on Jul 23, 2026. Its lowest close was $0.4000 on Sep 25, 2026.

How much has ARCIW returned since Jul 17, 2026?

-35.2% in price terms from the first stored close to Sep 25, 2026.

What was the worst drawdown in ARCIW history?

-38.5% from the Aug 10, 2026 peak to the Sep 25, 2026 trough on adjusted closes; the previous peak has not been regained as of the last stored session.

How far back does ARCIW historical data go?

The daily series starts on Jul 17, 2026 and runs to Sep 25, 2026: 23 trading sessions across 0.2 years. Minute bars start on Jul 13, 2026 and are captured forward, never backfilled.

Are ARCIW 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 ARCIW 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 Jul 17, 2026 on Quant and above. Minute history comes with the paid plans.

Nasdaq · ARCIW · stock

Archimedes Tech SPAC Partners III Co. (ARCIW) stock price history

Every Nasdaq trading session of Archimedes Tech SPAC Partners III Co. from Jul 17, 2026 to Sep 25, 2026: 23 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 ARCIW data, free key Year by year table

ARCIW adjusted close, 2026 to 2026

ARCIWArchimedes Tech SPAC Partners III Co.

$0.4000

$0.6500
All time high, 2026: $0.6500
52 week high, $0.4000 low: 23
Daily sessions since 2026

Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.

ARCIW key facts

Archimedes Tech SPAC Partners III Co. (ARCIW) closed at $0.4000 on Sep 25, 2026 on Nasdaq.
ARCIW's all time high close is $0.6500, set on Jul 23, 2026; its all time low close is $0.4000 on Sep 25, 2026.
ARCIW's 52 week range is $0.4000 to $0.6500.
ARCIW's deepest drawdown was -38.5% from Aug 10, 2026 to Sep 25, 2026.
DataCedar holds 23 daily sessions of ARCIW history from Jul 17, 2026 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ARCIW price chart, 2026 to 2026

Adjusted daily close. 23 sampled points across the full history; the API serves every session.

ARCIW returns

Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.

Period	Return
1 month	-11.1%
3 months	n/a
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 Jul 17, 2026	-35.2%

ARCIW records

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

All time high close: $0.6500 on Jul 23, 2026
All time low close: $0.4000 on Sep 25, 2026
52 week high: $0.6500 on Jul 23, 2026
52 week low: $0.4000 on Sep 25, 2026
Deepest drawdown: -38.5% from Aug 10, 2026 to Sep 25, 2026, not yet recovered
Best single session: +29.7% on Aug 10, 2026
Worst single session: -22.9% on Aug 4, 2026
Volatility, 1 year annualised: 178.3%
Sessions closing higher, 1 year: 14%

ARCIW 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 Jul 17, 2026; 2026 runs to Sep 25, 2026.

Year	Open	High	Low	Close	Return	Volume	Sessions
2026	$0.6006	$0.6500	$0.4000	$0.4000	n/a	230.2K	23

ARCIW monthly closes, last 12 months

Month	Month end close	Change
September 2026	$0.4000	-23.8%
August 2026	$0.5250	-19.2%
July 2026	$0.6500	n/a

About the ARCIW data

Daily bars. 23 sessions from Jul 17, 2026 to Sep 25, 2026, one row per Nasdaq 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 Nasdaq 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 Jul 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/ARCIW/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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