56.85-0.32% / 2026-08-21
14.89亿换手 3.99%
4532026-08-21
6排名越小越热
4平静后突增事件
88.82026-07-28
信号总览
把热度证据、交易状态和短测结果合在一起，判断是否值得进入推荐池。
SZ300346
南大光电
信号日 2026-07-28 / 先等待确认
C谨慎跟踪
#37
230
-10.76%
平静期均值 267，波动 58.4；条件通过 4 / 7，待核验 3。
涨幅偏高短测承压
1日 -3.82%2日 -10.76%3日 -9.35%短测待确认
最近一次突增证据
C谨慎跟踪
信号日 2026-07-28
当前排名 37
前一排名 232
平静期均值 267
平静期波动 58.4
改善 230
信号分 88.8
涨幅偏高短测承压
| 平静期日期 | 热度排名 |
|---|---|
| 2026-07-18 | 312 |
| 2026-07-19 | 349 |
| 2026-07-20 | 216 |
| 2026-07-21 | 134 |
| 2026-07-22 | 340 |
| 2026-07-23 | 464 |
| 2026-07-24 | 248 |
| 2026-07-25 | 165 |
| 2026-07-26 | 217 |
| 2026-07-27 | 257 |
热度突增信号与回测
次日开盘买入，持有1/2/3日
| 日期 | 排名 | 历史均值 | 波动 | 当日涨跌 | 分数 | 1日 | 2日 | 3日 | 原因 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-28 | 37 | 267 | 58.4 | 11.43% | 88.8 | -3.82% | -10.76% | -9.35% | 过去10日箱体134-349、宽度215，当前升至37名，突破箱体上沿97名，均值改善230名 |
| 2026-06-25 | 41 | 177 | 73.8 | 7.80% | 77.7 | 4.68% | 20.59% | 24.15% | 过去10日平均排名177、标准差73.8，当前升至41名，改善136名 |
| 2026-06-24 | 41 | 188 | 62.4 | 7.80% | 82.6 | -4.88% | -0.55% | 14.58% | 过去10日平均排名188、标准差62.4，当前升至41名，改善147名 |
| 2026-05-20 | 97 | 270 | 74.2 | 3.52% | 80.7 | -7.58% | -6.13% | 1.11% | 历史扫描：过去10日箱体169-381、宽度212，2026-05-20升至97名，突破箱体上沿72名，均值改善173名 |
最近30日行情
| 日期 | 开 | 收 | 高 | 低 | 涨跌 | 成交额(亿) | 换手 |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | 56.67 | 56.85 | 57.98 | 55.90 | -0.32% | 14.89 | 3.99% |
| 2026-08-20 | 58.98 | 57.03 | 59.25 | 56.29 | -2.11% | 22.54 | 5.98% |
| 2026-08-19 | 59.06 | 58.26 | 61.95 | 57.70 | -5.83% | 31.21 | 7.99% |
| 2026-08-18 | 61.20 | 61.87 | 62.61 | 60.45 | 1.09% | 31.27 | 7.74% |
| 2026-08-17 | 58.80 | 61.20 | 61.26 | 58.51 | 4.24% | 29.95 | 7.54% |
| 2026-08-14 | 58.63 | 58.71 | 59.18 | 57.53 | 1.93% | 19.85 | 5.18% |
| 2026-08-13 | 59.98 | 57.60 | 60.68 | 57.58 | -2.77% | 29.64 | 7.61% |
| 2026-08-12 | 59.02 | 59.24 | 60.12 | 58.65 | 0.83% | 25.12 | 6.44% |
| 2026-08-11 | 58.51 | 58.75 | 59.92 | 57.86 | -1.08% | 27.46 | 7.10% |
| 2026-08-10 | 59.70 | 59.39 | 60.58 | 57.49 | 1.83% | 37.52 | 9.72% |
| 2026-08-07 | 56.66 | 58.32 | 58.78 | 55.21 | 4.33% | 43.76 | 11.64% |
| 2026-08-06 | 51.99 | 55.90 | 56.00 | 51.95 | 5.17% | 41.25 | 11.52% |
| 2026-08-05 | 49.80 | 53.15 | 53.74 | 49.48 | 7.48% | 36.21 | 10.58% |
| 2026-08-04 | 46.91 | 49.45 | 49.92 | 46.66 | 6.05% | 25.16 | 7.90% |
| 2026-08-03 | 48.00 | 46.63 | 48.36 | 46.55 | -3.58% | 18.99 | 6.14% |
| 2026-07-31 | 51.51 | 48.36 | 52.38 | 48.29 | 1.58% | 32.72 | 9.88% |
| 2026-07-30 | 50.99 | 47.61 | 51.06 | 47.08 | -7.21% | 27.53 | 8.59% |
| 2026-07-29 | 53.35 | 51.31 | 53.90 | 48.94 | -5.35% | 38.19 | 11.46% |
| 2026-07-28 | 57.97 | 54.21 | 59.60 | 53.30 | -2.76% | 48.86 | 13.14% |
| 2026-07-27 | 53.71 | 55.75 | 55.82 | 51.51 | 4.01% | 27.02 | 7.56% |
| 2026-07-24 | 53.02 | 53.60 | 55.05 | 52.12 | -0.48% | 23.98 | 6.78% |
| 2026-07-23 | 55.42 | 53.86 | 56.25 | 53.41 | -2.71% | 21.10 | 5.90% |
| 2026-07-22 | 56.00 | 55.36 | 57.50 | 54.54 | -2.40% | 37.33 | 10.14% |
| 2026-07-21 | 51.83 | 56.72 | 56.75 | 46.55 | 11.43% | 43.96 | 12.80% |
| 2026-07-20 | 58.78 | 50.90 | 59.10 | 48.95 | -11.31% | 38.94 | 11.11% |
| 2026-07-17 | 62.37 | 57.39 | 62.40 | 57.29 | -6.53% | 33.30 | 8.49% |
| 2026-07-16 | 65.25 | 61.40 | 66.59 | 60.94 | -7.93% | 34.98 | 8.38% |
| 2026-07-15 | 71.50 | 66.69 | 71.60 | 66.35 | -5.44% | 32.34 | 7.24% |
| 2026-07-14 | 70.57 | 70.53 | 71.27 | 66.10 | 0.54% | 40.14 | 8.83% |
| 2026-07-13 | 74.27 | 70.15 | 75.45 | 69.88 | -5.55% | 44.22 | 9.31% |
最近30日热度
| 日期 | 排名 |
|---|---|
| 2026-08-21 | 453 |
| 2026-08-20 | 520 |
| 2026-08-19 | 445 |
| 2026-08-18 | 316 |
| 2026-08-17 | 255 |
| 2026-08-16 | 361 |
| 2026-08-15 | 384 |
| 2026-08-14 | 369 |
| 2026-08-13 | 457 |
| 2026-08-12 | 369 |
| 2026-08-11 | 308 |
| 2026-08-10 | 282 |
| 2026-08-09 | 159 |
| 2026-08-08 | 124 |
| 2026-08-07 | 191 |
| 2026-08-06 | 159 |
| 2026-08-05 | 223 |
| 2026-08-04 | 328 |
| 2026-08-03 | 394 |
| 2026-08-02 | 509 |
| 2026-08-01 | 456 |
| 2026-07-31 | 352 |
| 2026-07-30 | 292 |
| 2026-07-29 | 255 |
| 2026-07-28 | 190 |
| 2026-07-27 | 257 |
| 2026-07-26 | 217 |
| 2026-07-25 | 165 |
| 2026-07-24 | 248 |
| 2026-07-23 | 464 |