PROTO Graham Number
The Graham Number of PROTO (4298.T) as of Oct 25, 2026 is 1,838.60 JPY. In the previous year, Graham Number was 1,895.14 JPY — a change of -2.98% (lower).
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Graham Number
1,838.60JPY
YoY
-2.98%
Last updated:
The PROTO Graham Number history
3 Years
10 Years
25 Years
Max
| YEAR | Graham Number | YoY |
|---|---|---|
| 1,838.60JPY | -2.98% | |
| 1,895.14JPY | +16.35% | |
| 1,628.86JPY | -10.31% | |
| 1,816.04JPY | +16.68% | |
| 1,556.42JPY | +4.58% | |
| 1,488.22JPY | +34.13% | |
| 1,109.54JPY | +156.20% | |
| 433.07JPY | -41.76% | |
| 743.64JPY | -21.70% | |
| 949.79JPY | -1.87% | |
| 967.88JPY | — |
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PROTO Stock analysis
Frequently Asked Questions about PROTO stock
Graham Number of PROTO is 1,838.60 JPY in 2025.
On Eulerpool you can find the complete historical development of Graham Number PROTO since 2006 – with annual values, charts, and detailed analysis.
The Graham Number estimates the maximum fair price for a stock based on EPS and book value per share, following Benjamin Graham's value investing principles.
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Quality — PROTO
All Key Metrics — PROTO
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