Nippon Kayaku Co. Ltd. ADR has returned +22.0% from $9.32 since 2021, trailing SPY's +70.2% over the same period. NPKYY is currently trading near its all-time high of $11.50. Of 5 tracked news events, 80% produced a positive market-adjusted return.
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Every dot on the chart is a news event. The return shown is market-adjusted (vs SPY). Green = stock outperformed. Red = underperformed. Dot size = magnitude of reaction.
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| Date | Return | Category | Source | Headline |
|---|---|---|---|---|
| 2025-11-16 | +20.4% | earnings | Seeking Alpha | Nippon Kayaku Co., Ltd. 2026 Q2 - Results - Earnings Call Presentation |
| 2026-03-23 | +10.5% | news | PR Newswire | GlycoNex Inc. and Nippon Kayaku Co., Ltd. Enter Collaboration to Advance Next-Generation ADC Candidate GNX201-ADC |
| 2026-02-03 | +1.3% | earnings | Seeking Alpha | Nippon Kayaku Co., Ltd. 2026 Q3 - Results - Earnings Call Presentation |
| 2022-08-01 | +1.0% | news | Stock Titan | INDOY Stock Price, News & Analysis - Stock Titan |
| 2026-04-09 | -0.5% | news | Simply Wall St. | Nippon Kayaku (TSE:4272) Valuation Check After Completing Its Large Share Buyback Program |