| 日期 | 开盘 | 收盘 | 涨跌 | 涨幅 | 最低 | 最高 | 成交量 | 成交额 | 换手 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-18 | 21.80 | 21.89 | 0.38 | 1.77% | 21.60 | 22.37 | 460650 | 101135.03 | 9.19% | 0.00 |
| 2025-08-15 | 20.90 | 21.51 | 0.56 | 2.67% | 20.90 | 21.58 | 364178 | 77787.31 | 7.27% | 21.00 |
| 2025-08-14 | 21.22 | 20.95 | -0.24 | -1.13% | 20.80 | 21.48 | 359856 | 76134.92 | 7.18% | 2.00 |
| 2025-08-13 | 20.90 | 21.19 | 0.27 | 1.29% | 20.75 | 21.30 | 345469 | 72677.44 | 6.90% | 7.00 |
| 2025-08-12 | 20.81 | 20.92 | 0.16 | 0.77% | 20.64 | 21.00 | 246071 | 51281.61 | 4.91% | 11.00 |
| 2025-08-11 | 20.28 | 20.76 | 0.61 | 3.03% | 20.20 | 20.88 | 263026 | 54341.23 | 5.25% | 5.00 |
| 2025-08-08 | 20.71 | 20.15 | -0.65 | -3.13% | 20.15 | 20.79 | 215985 | 43934.95 | 4.31% | 9.00 |
| 2025-08-07 | 20.70 | 20.80 | 0.11 | 0.53% | 20.54 | 20.99 | 277950 | 57819.11 | 5.55% | 11.00 |
| 2025-08-06 | 20.34 | 20.69 | 0.35 | 1.72% | 20.14 | 20.74 | 208890 | 42927.92 | 4.17% | 3.00 |
| 2025-08-05 | 20.25 | 20.34 | 0.05 | 0.25% | 20.12 | 20.36 | 130394 | 26422.95 | 2.60% | 53.00 |
| 2025-08-04 | 19.81 | 20.29 | 0.34 | 1.70% | 19.69 | 20.29 | 141479 | 28261.50 | 2.82% | 0.00 |
| 2025-08-01 | 20.15 | 19.95 | -0.22 | -1.09% | 19.75 | 20.53 | 193170 | 38732.43 | 3.86% | 8.00 |
| 2025-07-31 | 20.36 | 20.17 | -0.31 | -1.51% | 20.11 | 20.68 | 196671 | 40209.46 | 3.93% | 0.00 |
| 2025-07-30 | 20.90 | 20.48 | -0.51 | -2.43% | 20.31 | 20.90 | 225168 | 46284.56 | 4.49% | 9.00 |
| 2025-07-29 | 20.69 | 20.99 | 0.24 | 1.16% | 20.31 | 21.35 | 311829 | 64766.62 | 6.22% | 5.00 |
| 2025-07-28 | 20.80 | 20.75 | -0.07 | -0.34% | 20.56 | 20.89 | 164282 | 33971.18 | 3.28% | 20.00 |
| 2025-07-25 | 20.51 | 20.82 | 0.29 | 1.41% | 20.35 | 20.88 | 247644 | 51080.43 | 4.94% | 8.00 |
| 2025-07-24 | 20.30 | 20.53 | 0.19 | 0.93% | 20.25 | 20.57 | 150562 | 30770.54 | 3.01% | 0.00 |
| 2025-07-23 | 20.40 | 20.34 | 0.02 | 0.10% | 20.11 | 20.61 | 192023 | 39122.78 | 3.83% | 3.00 |
| 2025-07-22 | 20.65 | 20.32 | -0.38 | -1.84% | 20.22 | 20.66 | 199405 | 40649.55 | 3.98% | 0.00 |
| 2025-07-21 | 20.46 | 20.70 | 0.24 | 1.17% | 20.30 | 20.72 | 174987 | 36072.29 | 3.49% | 2.00 |
| 2025-07-18 | 20.50 | 20.46 | -0.09 | -0.44% | 20.30 | 20.77 | 180728 | 36997.59 | 3.61% | 5.00 |
| 2025-07-17 | 20.29 | 20.55 | 0.36 | 1.78% | 20.06 | 20.63 | 213242 | 43570.03 | 4.26% | 41.00 |
| 2025-07-16 | 20.16 | 20.19 | -0.05 | -0.25% | 20.10 | 20.65 | 206050 | 41949.39 | 4.11% | 0.00 |
| 2025-07-15 | 20.14 | 20.24 | 0.22 | 1.10% | 19.73 | 20.29 | 215743 | 43339.24 | 4.31% | 1.00 |
| 2025-07-14 | 20.24 | 20.02 | -0.33 | -1.62% | 19.95 | 20.27 | 149686 | 30016.38 | 2.99% | 0.00 |
| 2025-07-11 | 20.07 | 20.35 | 0.34 | 1.70% | 19.82 | 20.40 | 173294 | 34993.67 | 3.46% | 13.00 |
| 2025-07-10 | 20.02 | 20.01 | -0.06 | -0.30% | 19.90 | 20.17 | 140603 | 28132.29 | 2.81% | 0.00 |
| 2025-07-09 | 20.32 | 20.07 | -0.39 | -1.91% | 20.03 | 20.52 | 193015 | 39139.96 | 3.85% | 0.00 |
| 2025-07-08 | 20.29 | 20.46 | 0.24 | 1.19% | 20.17 | 20.58 | 150338 | 30701.87 | 3.00% | 0.00 |
| 2025-07-07 | 20.22 | 20.22 | -0.15 | -0.74% | 20.12 | 20.45 | 128249 | 25952.91 | 2.56% | 0.00 |
| 2025-07-04 | 20.83 | 20.37 | -0.45 | -2.16% | 20.32 | 20.83 | 204959 | 42064.60 | 4.09% | 0.00 |
| 2025-07-03 | 20.68 | 20.82 | 0.05 | 0.24% | 20.58 | 20.93 | 162821 | 33856.62 | 3.25% | 0.00 |
| 2025-07-02 | 21.03 | 20.77 | -0.52 | -2.44% | 20.50 | 21.20 | 304853 | 63181.27 | 6.08% | 0.00 |
| 2025-07-01 | 21.70 | 21.29 | 0.02 | 0.09% | 21.05 | 21.88 | 405293 | 87060.05 | 8.09% | 18.00 |
| 2025-06-30 | 21.07 | 21.27 | 0.15 | 0.71% | 21.07 | 21.52 | 308049 | 65553.42 | 6.15% | 0.00 |
| 2025-06-27 | 21.24 | 21.14 | 0.25 | 1.20% | 20.74 | 21.58 | 412038 | 87483.18 | 8.22% | 8.00 |
| 2025-06-26 | 21.35 | 20.89 | -0.42 | -1.97% | 20.88 | 21.35 | 326862 | 68851.40 | 6.52% | 0.00 |
| 2025-06-25 | 20.60 | 21.31 | 0.77 | 3.75% | 20.59 | 21.31 | 443136 | 92934.42 | 8.85% | 0.00 |
| 2025-06-24 | 19.96 | 20.54 | 0.59 | 2.96% | 19.96 | 20.57 | 258126 | 52676.54 | 5.15% | 90.00 |
| 2025-06-23 | 19.38 | 19.95 | 0.27 | 1.37% | 19.34 | 20.08 | 209760 | 41628.03 | 4.19% | 38.00 |
| 2025-06-20 | 20.38 | 19.68 | -0.60 | -2.96% | 19.68 | 20.48 | 236678 | 47146.10 | 4.72% | 20.00 |
| 2025-06-19 | 21.00 | 20.28 | -0.81 | -3.84% | 20.24 | 21.20 | 322227 | 66550.13 | 6.43% | 12.00 |
| 2025-06-18 | 20.90 | 21.09 | -0.10 | -0.47% | 20.62 | 21.24 | 359477 | 75187.53 | 7.18% | 9.00 |
| 2025-06-17 | 20.58 | 21.19 | 0.76 | 3.72% | 20.45 | 21.46 | 586830 | 123550.78 | 11.71% | 11.00 |
| 2025-06-16 | 20.10 | 20.43 | 0.11 | 0.54% | 20.05 | 20.58 | 248205 | 50648.80 | 4.95% | 2.00 |
| 2025-06-13 | 20.81 | 20.32 | -0.90 | -4.24% | 20.21 | 21.17 | 466681 | 95804.25 | 9.32% | 81.00 |
| 2025-06-12 | 21.35 | 21.22 | -0.01 | -0.05% | 21.06 | 21.89 | 518582 | 110753.45 | 10.35% | 34.00 |
| 2025-06-11 | 21.74 | 21.23 | -0.47 | -2.17% | 21.00 | 21.79 | 601404 | 128334.76 | 12.00% | 112.00 |
| 2025-06-10 | 22.85 | 21.70 | -1.62 | -6.95% | 21.20 | 23.00 | 1165080 | 254880.41 | 23.26% | 180.00 |
| 2025-06-09 | 21.91 | 23.32 | 3.16 | 15.67% | 20.68 | 24.19 | 1484180 | 341947.12 | 29.62% | 1.00 |
| 2025-06-06 | 19.75 | 20.16 | 0.46 | 2.34% | 19.52 | 20.55 | 438374 | 88065.93 | 8.75% | 31.00 |
| 2025-06-05 | 19.28 | 19.70 | 0.41 | 2.13% | 19.06 | 19.90 | 265037 | 51677.69 | 5.29% | 23.00 |
| 2025-06-04 | 19.40 | 19.29 | -0.10 | -0.52% | 19.21 | 19.55 | 188167 | 36407.52 | 3.76% | 0.00 |
| 2025-06-03 | 19.40 | 19.39 | -0.06 | -0.31% | 19.30 | 19.83 | 215906 | 42273.54 | 4.31% | 61.00 |
| 2025-05-30 | 20.33 | 19.45 | -1.04 | -5.08% | 19.40 | 20.33 | 291363 | 57373.00 | 5.82% | 0.00 |
| 2025-05-29 | 20.27 | 20.49 | 0.23 | 1.14% | 20.00 | 20.93 | 328264 | 67332.55 | 6.55% | 59.00 |
| 2025-05-28 | 20.57 | 20.26 | -0.31 | -1.51% | 20.15 | 20.98 | 307301 | 62870.73 | 6.13% | 44.00 |
| 2025-05-27 | 20.12 | 20.57 | -0.16 | -0.77% | 20.12 | 21.03 | 596030 | 123240.58 | 11.90% | 11.00 |
| 2025-05-26 | 18.46 | 20.73 | 2.41 | 13.16% | 18.43 | 21.50 | 778645 | 156214.16 | 15.54% | 28.00 |
| 2025-05-23 | 19.20 | 18.32 | -1.07 | -5.52% | 18.30 | 19.22 | 334409 | 62076.38 | 6.67% | 6.00 |
| 2025-05-22 | 18.80 | 19.39 | 0.57 | 3.03% | 18.62 | 19.72 | 391303 | 75571.34 | 7.81% | 137.00 |
| 2025-05-21 | 19.12 | 18.82 | -0.32 | -1.67% | 18.64 | 19.12 | 150887 | 28368.38 | 3.01% | 0.00 |
| 2025-05-20 | 19.06 | 19.14 | 0.08 | 0.42% | 18.79 | 19.30 | 135542 | 25811.93 | 2.71% | 5.00 |
| 2025-05-19 | 19.15 | 19.06 | -0.19 | -0.99% | 18.81 | 19.32 | 131892 | 25089.29 | 2.63% | 0.00 |
| 2025-05-16 | 19.29 | 19.25 | 0.14 | 0.73% | 19.00 | 19.58 | 157157 | 30366.60 | 3.14% | 16.00 |
| 2025-05-15 | 19.93 | 19.11 | -0.80 | -4.02% | 19.09 | 19.93 | 204937 | 39544.25 | 4.09% | 1.00 |
| 2025-05-14 | 19.72 | 19.91 | 0.18 | 0.91% | 19.54 | 20.20 | 226218 | 44942.27 | 4.52% | 46.00 |
| 2025-05-13 | 20.09 | 19.73 | -0.08 | -0.40% | 19.68 | 20.48 | 265777 | 53239.10 | 5.31% | 5.00 |
| 2025-05-12 | 19.50 | 19.81 | -0.53 | -2.61% | 18.92 | 19.84 | 404316 | 78692.30 | 8.07% | 12.00 |
| 2025-05-09 | 20.84 | 20.34 | -0.69 | -3.28% | 20.23 | 20.90 | 189362 | 38720.70 | 3.78% | 9.00 |
| 2025-05-08 | 20.60 | 21.03 | 0.26 | 1.25% | 20.58 | 21.08 | 220970 | 46193.17 | 4.41% | 0.00 |
| 2025-05-07 | 21.04 | 20.77 | -0.24 | -1.14% | 20.43 | 21.44 | 312476 | 65260.24 | 6.24% | 0.00 |
| 2025-05-06 | 20.17 | 21.01 | 1.05 | 5.26% | 20.10 | 21.10 | 332747 | 68643.08 | 6.64% | 128.00 |
| 2025-04-30 | 19.70 | 19.96 | 0.72 | 3.74% | 19.60 | 20.16 | 306120 | 61073.22 | 6.11% | 6.00 |
| 2025-04-29 | 19.11 | 19.24 | 0.23 | 1.21% | 18.77 | 19.38 | 165084 | 31667.50 | 3.30% | 2.00 |
| 2025-04-28 | 18.99 | 19.01 | 0.03 | 0.16% | 18.91 | 19.32 | 133870 | 25540.76 | 2.67% | 0.00 |
| 2025-04-25 | 19.17 | 18.98 | -0.09 | -0.47% | 18.93 | 19.44 | 168334 | 32264.35 | 3.36% | 57.00 |
| 2025-04-24 | 19.75 | 19.07 | -0.60 | -3.05% | 18.93 | 19.75 | 188457 | 36231.27 | 3.76% | 0.00 |
| 2025-04-23 | 19.36 | 19.67 | 0.50 | 2.61% | 19.36 | 19.97 | 228048 | 44740.66 | 4.55% | 2.00 |
润欣科技(300493)K线图分析： Ｋ线图最早是日本德川幕府时代大阪的米商用来记录当时一天、一周或一月中米价涨跌行情的图示法,后被引入股市。Ｋ线图有直观、立体感强、携带信息量大的特点,蕴涵着丰富的东方哲学思想,能充分显示股价趋势的强弱、买卖双方力量平衡的变化,预测后市走向较准确,是各类传播媒介、电脑实时分析系统应用较多的技术分析手段。其记录方法如下：（如图所示）
1、日K线是根据股价(指数)一天的走势中形成的四个价位即：开盘价,收盘价,最高价,最低价绘制而成的。 收盘价高于开盘价时,则开盘价在下收盘价在上,二者之间的长方柱用红色或空心绘出,称之为阳线；其上影线的最高点为最高价,下影线的最低点为最低价。 收盘价低于开盘价时,则开盘价在上收盘价在下,二者之间的长方柱用黑色或实心绘出,称之为阴线,其上影线的最高点为最高价,下影线的最低点为最低价。
2、根据K线的计算周期可将其分为日K线,周K线,月K线,年K线。 周K线是指以周一的开盘价,周五的收盘价,全周最高价和全周最低价来画的K线图。月K线则以一个月的第一个交易日的开盘价,最后一个交易日的收盘价和全月最高价与全月最低价来画的K线图,同理可以推得年K线定义。周K线,月K线常用于研判中期行情。对于短线操作者来说,众多分析软件提供的5分钟K线、15分钟K线、30分钟K线和60分钟K线也具有重要的参考价值。
3、根据开盘价与收盘价的波动范围,可将Ｋ线分为极阴、极阳,小阴、小阳,中阴中阳和大阴、大阳等线型。它们一般的波动范围（如图所示）。
极阴线和极阳线的波动范围在0.5%左右； 小阴线和小阳线的波动范围一般在0.6--1.5%； 中阴线和中阳线的波动范围一般在1.6-3.5%； 大阴线和大阳线的波动范围在3.6%以上。
