Highest volatility period-5 oscillators
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All known period-5 oscillators with volatility of at least 0.8.
| Rank | Name | Image | Rotor Size | Volatility |
|---|---|---|---|---|
| 1 | Statorless p5 |  |
156 | 1 |
| 2 | Four-fold variant of Scot's p5 |  |
292 | 0.973 |
| 3 | unnamed |  |
52 | 0.96875 |
| 4 | Swine |  |
86 | 0.959 |
| 5 | unnamed |  |
152 | 0.950 |
| 6 | Scot's p5 |  |
28 | 0.939 |
| 7 | unnamed |  |
244 | 0.8714 |
| 8 | Pentoad 2 |  |
26 | 0.871 |
| 8 | unnamed | File:Xp5 y131io84c0c48oi13z350ocxg8sxs8gxco053zwraxhhhy1hhhxarzok036x127x721x630kozy1og93246064239go2.png | 120 | 0.8285714... |
| 9 | Pseudo-barberpole |  |
15 | 0.824 |
| 10 | Voldiag |  |
100 | 0.821 |
| 11 | Nivasch's Pseudo-barberpole |  |
28 | 0.813 |
| 12 | unnamed |  |
56 | 0.8181... |
| 13 | Eppstein's new p5 |  |
73 | 0.802 |
| 14 | unnamed |  |
120 | 0.803... |
| 15 | Octagon 2 |  |
16 | 0.800 |
For purposes of this table, an extensible oscillator is only represented in its minimal form. This allows for one iteration of the inserted piece, as in Swine and Pentoad 2. Without this restriction oscillators with volatility arbitrarily close to 1 can be constructed by extending Pentoad or Electric fence.