JPX · 6545 · stock
internet infinity Inc. (6545) stock price history
Every JPX trading session of internet infinity Inc. from Mar 22, 2017 to Sep 28, 2026: 2,345 daily bars, adjusted for splits and dividends, with minute bars from Sep 14, 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.
6545 adjusted close, 2017 to 2026
- ¥3,131
- All time high, 2018
- ¥907.00
- 52 week high, ¥581.88 low
- 2,345
- Daily sessions since 2017
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
6545 key facts
- internet infinity Inc. (6545) closed at ¥778.00 on Sep 28, 2026 on JPX.
- 6545's all time high close is ¥3,131, set on Jan 11, 2018; its all time low close is ¥320.20 on Dec 28, 2022.
- 6545's 52 week range is ¥581.88 to ¥907.00.
- 6545 returned +22.2% over the year to Sep 28, 2026 and +53.5% over five years.
- Since Mar 22, 2017 6545 returned -26%, -3.1% a year compounded.
- 6545's deepest drawdown was -89.8% from Jan 11, 2018 to Dec 28, 2022.
- DataCedar holds 2,345 daily sessions of 6545 history from Mar 22, 2017 and minute bars from Sep 14, 2026, adjusted for splits and dividends, served by the API under a key.
6545 price chart, 2017 to 2026
6545 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.1% |
| 3 months | +9.1% |
| 6 months | +4.9% |
| Year to date | +21.7% |
| 1 year | +22.2% |
| 3 years | +97.9% |
| 5 years | +53.5% |
| 10 years | n/a |
| Since Mar 22, 2017 | -26.2% |
| Compound annual growth, 9.5 years | -3.1% |
6545 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- ¥3,131 on Jan 11, 2018
- All time low close
- ¥320.20 on Dec 28, 2022
- 52 week high
- ¥907.00 on Aug 13, 2026
- 52 week low
- ¥581.88 on Nov 21, 2025
- Deepest drawdown
- -89.8% from Jan 11, 2018 to Dec 28, 2022, not yet recovered
- Best single session
- +20.5% on Dec 7, 2018
- Worst single session
- -20.9% on Aug 15, 2018
- Volatility, 1 year annualised
- 27.2%
- Sessions closing higher, 1 year
- 43%
- Best calendar year
- 2025, +34%
- Worst calendar year
- 2018, -81%
6545 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. 2017 starts on Mar 22, 2017; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | ¥668.78 | ¥907.00 | ¥635.58 | ¥778.00 | +21.7% | 2.8M | 178 |
| 2025 | ¥477.69 | ¥729.31 | ¥446.10 | ¥639.49 | +34.1% | 3.9M | 243 |
| 2024 | ¥369.46 | ¥519.15 | ¥320.69 | ¥476.73 | +30.4% | 3M | 245 |
| 2023 | ¥331.57 | ¥566.51 | ¥323.04 | ¥365.68 | +11.9% | 7.4M | 246 |
| 2022 | ¥455.67 | ¥456.62 | ¥317.36 | ¥326.83 | -26.4% | 1.8M | 244 |
| 2021 | ¥495.46 | ¥596.83 | ¥426.31 | ¥444.31 | -10.2% | 4.4M | 245 |
| 2020 | ¥753.14 | ¥786.30 | ¥295.57 | ¥494.51 | -33.1% | 7.7M | 242 |
| 2019 | ¥526.72 | ¥998.50 | ¥498.30 | ¥738.93 | +33.3% | 10M | 241 |
| 2018 | ¥2,894 | ¥3,287 | ¥483.15 | ¥554.20 | -80.9% | 11.3M | 261 |
| 2017 | ¥1,194 | ¥3,202 | ¥915.37 | ¥2,894 | n/a | 77M | 200 |
6545 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | ¥778.00 | -5.1% |
| August 2026 | ¥820.00 | -5.9% |
| July 2026 | ¥871.00 | +16.3% |
| June 2026 | ¥749.00 | +4.5% |
| May 2026 | ¥717.00 | -1.0% |
| April 2026 | ¥724.00 | -3.2% |
| March 2026 | ¥748.00 | +1.3% |
| February 2026 | ¥738.09 | +8.9% |
| January 2026 | ¥677.56 | +6.0% |
| December 2025 | ¥639.49 | +6.0% |
| November 2025 | ¥603.36 | -2.7% |
| October 2025 | ¥619.96 | -1.7% |
About the 6545 data
Daily bars. 2,345 sessions from Mar 22, 2017 to Sep 28, 2026, one row per JPX 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 Sep 14, 2026 forward, most recent session Sep 29, 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 JPX trading days; minute timestamps are UTC. Prices are in JPY. 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 Mar 22, 2017, 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/6545/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on JPX
Common questions
6545 share price history
