SLV цепочка опционов iShares Silver Trust
Каждая строка — один страйк. Левая половина — call, правая — put. Bid/ask — текущие котировки покупателей и продавцов; объём — количество контрактов, заключённых в эту сессию; открытый интерес — действующие контракты. Выделенная строка ближайшая к текущей цене акции.
Данная экспирация закладывает в цену движение примерно ±13.2% (44.74–58.34) · ATM IV 33.7% · P/C открытого интереса 0.40
| CALLS | Strike | PUTS | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Бид | Спросить | Объём | OIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated. | IV | ΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money). | Γ | Θ | Бид | Спросить | Объём | OI | IV | Δ | Γ | Θ | |
| 23.95 | 27.85 | 1 | 556 | 77.9% | 0.99 | 0.0011 | 0.000 | 26 | 0.0200 | 0.0400 | 3,273 | 59.4% | -0.01 | 0.0011 | -0.001 | |
| 23.40 | 27.30 | 16 | 71.5% | 0.99 | 0.0012 | 0.000 | 26.5 | 0.0200 | 0.0500 | 85 | 59.0% | -0.01 | 0.0012 | -0.002 | ||
| 22.95 | 26.00 | 1 | 637 | 0.99 | 0.0013 | 0.000 | 27 | 0.0200 | 0.0500 | 342 | 57.5% | -0.01 | 0.0013 | -0.002 | ||
| 22.45 | 26.35 | 111 | 71.0% | 0.99 | 0.0015 | 0.000 | 27.5 | 0.0200 | 0.0500 | 108 | 56.0% | -0.01 | 0.0015 | -0.002 | ||
| 23.45 | 24.20 | 1,412 | 62.3% | 0.99 | 0.0016 | 0.000 | 28 | 0.0300 | 0.0600 | 4,176 | 56.4% | -0.01 | 0.0016 | -0.002 | ||
| 21.80 | 25.35 | 1 | 209 | 76.9% | 0.99 | 0.0017 | 0.000 | 28.5 | 0.0300 | 0.0600 | 328 | 54.9% | -0.01 | 0.0018 | -0.002 | |
| 21.55 | 24.05 | 903 | 54.7% | 0.99 | 0.0019 | 0.000 | 29 | 0.0300 | 0.0700 | 2,703 | 54.3% | -0.01 | 0.0019 | -0.002 | ||
| 21.05 | 24.35 | 8 | 494 | 78.0% | 0.99 | 0.0021 | 0.000 | 29.5 | 0.0400 | 0.0700 | 1,291 | 53.5% | -0.01 | 0.0021 | -0.002 | |
| 21.40 | 22.20 | 8 | 14.2K | 50.1% | 0.99 | 0.0023 | 0.000 | 30 | 0.0500 | 0.0600 | 20.4K | 52.1% | -0.01 | 0.0023 | -0.002 | |
| 20.10 | 23.40 | 1,313 | 75.6% | 0.99 | 0.0025 | 0.000 | 30.5 | 0.0500 | 0.0800 | 334 | 51.9% | -0.01 | 0.0025 | -0.002 | ||
| 19.40 | 22.15 | 2 | 2,597 | 37.3% | 0.98 | 0.0027 | 0.000 | 31 | 0.0500 | 0.0800 | 3,308 | 50.5% | -0.01 | 0.0028 | -0.003 | |
| 18.50 | 22.40 | 1 | 432 | 57.8% | 0.98 | 0.0030 | 0.000 | 31.5 | 0.0600 | 0.0900 | 61 | 50.2% | -0.02 | 0.0030 | -0.003 | |
| 18.00 | 21.90 | 2 | 1,184 | 55.9% | 0.98 | 0.0033 | 0.000 | 32 | 0.0600 | 0.0900 | 1 | 255 | 48.8% | -0.02 | 0.0033 | -0.003 |
| 17.60 | 21.45 | 415 | 58.1% | 0.98 | 0.0036 | 0.000 | 32.5 | 0.0700 | 0.1000 | 1,092 | 48.3% | -0.02 | 0.0036 | -0.003 | ||
| 17.65 | 20.15 | 3,204 | 48.8% | 0.98 | 0.0040 | 0.000 | 33 | 0.0800 | 0.1000 | 1 | 173 | 47.4% | -0.02 | 0.0040 | -0.003 | |
| 17.05 | 19.95 | 132 | 53.1% | 0.98 | 0.0044 | -0.000 | 33.5 | 0.0900 | 0.1200 | 530 | 47.2% | -0.02 | 0.0044 | -0.003 | ||
| 17.70 | 18.10 | 964 | 45.1% | 0.97 | 0.0048 | -0.001 | 34 | 0.1000 | 0.1300 | 1,140 | 46.5% | -0.02 | 0.0048 | -0.004 | ||
| 17.20 | 17.60 | 274 | 43.3% | 0.97 | 0.0052 | -0.001 | 34.5 | 0.1100 | 0.1400 | 1,956 | 45.8% | -0.03 | 0.0053 | -0.004 | ||
| 16.80 | 17.10 | 1 | 24.2K | 45.0% | 0.97 | 0.0057 | -0.001 | 35 | 0.1200 | 0.1400 | 46 | 21.9K | 44.7% | -0.03 | 0.0058 | -0.004 |
| 15.65 | 17.70 | 676 | 53.3% | 0.97 | 0.0063 | -0.002 | 35.5 | 0.1300 | 0.1600 | 68 | 44.2% | -0.03 | 0.0063 | -0.004 | ||
| 15.35 | 16.40 | 2,127 | 35.6% | 0.96 | 0.0069 | -0.002 | 36 | 0.1500 | 0.1800 | 3,403 | 43.9% | -0.03 | 0.0069 | -0.005 | ||
| 14.70 | 17.15 | 114 | 57.1% | 0.96 | 0.0075 | -0.002 | 36.5 | 0.1600 | 0.1900 | 566 | 43.0% | -0.04 | 0.0076 | -0.005 | ||
| 14.50 | 16.30 | 2,145 | 54.6% | 0.96 | 0.0082 | -0.003 | 37 | 0.1800 | 0.2000 | 13 | 1,216 | 42.3% | -0.04 | 0.0083 | -0.005 | |
| 14.05 | 15.25 | 15 | 268 | 45.4% | 0.95 | 0.0090 | -0.003 | 37.5 | 0.2000 | 0.2300 | 1,824 | 42.0% | -0.05 | 0.0091 | -0.006 | |
| 12.55 | 14.75 | 15 | 862 | 0.95 | 0.0098 | -0.004 | 38 | 0.2100 | 0.2500 | 975 | 41.1% | -0.05 | 0.0099 | -0.006 | ||
| 13.55 | 14.00 | 56 | 269 | 45.9% | 0.94 | 0.0107 | -0.004 | 38.5 | 0.2400 | 0.2700 | 260 | 40.7% | -0.06 | 0.0108 | -0.006 | |
| 11.85 | 13.75 | 8 | 349 | 0.94 | 0.0117 | -0.004 | 39 | 0.2700 | 0.2900 | 434 | 40.1% | -0.06 | 0.0118 | -0.007 | ||
| 11.85 | 13.95 | 65 | 45.7% | 0.93 | 0.0127 | -0.005 | 39.5 | 0.2900 | 0.3200 | 464 | 39.5% | -0.07 | 0.0128 | -0.007 | ||
| 12.10 | 12.30 | 30 | 25.4K | 38.7% | 0.93 | 0.0138 | -0.005 | 40 | 0.3300 | 0.3500 | 10 | 13.1K | 39.1% | -0.07 | 0.0140 | -0.008 |
| 11.65 | 11.85 | 493 | 38.5% | 0.92 | 0.0150 | -0.006 | 40.5 | 0.3600 | 0.3900 | 830 | 38.6% | -0.08 | 0.0152 | -0.008 | ||
| 11.20 | 11.40 | 915 | 38.2% | 0.91 | 0.0163 | -0.007 | 41 | 0.4000 | 0.4300 | 1 | 3,853 | 38.1% | -0.09 | 0.0165 | -0.009 | |
| 10.75 | 10.95 | 176 | 37.8% | 0.90 | 0.0177 | -0.007 | 41.5 | 0.4400 | 0.4800 | 224 | 37.7% | -0.10 | 0.0179 | -0.009 | ||
| 10.30 | 10.50 | 1,869 | 37.2% | 0.89 | 0.0191 | -0.008 | 42 | 0.4900 | 0.5200 | 7 | 5,829 | 37.2% | -0.11 | 0.0194 | -0.010 | |
| 9.90 | 10.05 | 520 | 37.2% | 0.88 | 0.0207 | -0.008 | 42.5 | 0.5400 | 0.5800 | 147 | 863 | 36.8% | -0.12 | 0.0209 | -0.010 | |
| 9.45 | 9.60 | 832 | 36.5% | 0.87 | 0.0223 | -0.009 | 43 | 0.6000 | 0.6300 | 4 | 1,745 | 36.3% | -0.13 | 0.0226 | -0.011 | |
| 9.00 | 9.20 | 2 | 356 | 36.2% | 0.86 | 0.0239 | -0.010 | 43.5 | 0.6600 | 0.7100 | 2,535 | 36.1% | -0.14 | 0.0242 | -0.011 | |
| 8.60 | 8.80 | 5 | 1,031 | 36.2% | 0.85 | 0.0256 | -0.010 | 44 | 0.7400 | 0.7900 | 2,801 | 35.8% | -0.15 | 0.0260 | -0.012 | |
| 8.20 | 8.35 | 825 | 35.7% | 0.83 | 0.0274 | -0.011 | 44.5 | 0.8300 | 0.8600 | 20 | 3,157 | 35.5% | -0.17 | 0.0278 | -0.013 | |
| 7.80 | 7.95 | 34 | 8,615 | 35.4% | 0.82 | 0.0292 | -0.012 | 45 | 0.9200 | 0.9600 | 93 | 34.7K | 35.2% | -0.18 | 0.0296 | -0.013 |
| 7.40 | 7.55 | 1,865 | 35.1% | 0.80 | 0.0309 | -0.013 | 45.5 | 1.02 | 1.08 | 4,948 | 35.1% | -0.20 | 0.0314 | -0.014 | ||
| 7.00 | 7.15 | 92 | 1,280 | 34.7% | 0.79 | 0.0327 | -0.013 | 46 | 1.13 | 1.17 | 26 | 5,604 | 34.7% | -0.21 | 0.0333 | -0.014 |
| 6.65 | 6.80 | 349 | 34.8% | 0.77 | 0.0344 | -0.014 | 46.5 | 1.25 | 1.30 | 5 | 538 | 34.6% | -0.23 | 0.0351 | -0.015 | |
| 6.25 | 6.45 | 4,571 | 34.4% | 0.75 | 0.0361 | -0.015 | 47 | 1.39 | 1.43 | 27 | 2,593 | 34.5% | -0.25 | 0.0368 | -0.016 | |
| 5.95 | 6.10 | 675 | 34.6% | 0.73 | 0.0378 | -0.015 | 47.5 | 1.53 | 1.58 | 5 | 1,593 | 34.3% | -0.27 | 0.0385 | -0.016 | |
| 5.60 | 5.75 | 52 | 2,894 | 34.4% | 0.71 | 0.0393 | -0.016 | 48 | 1.69 | 1.74 | 39 | 1,934 | 34.2% | -0.29 | 0.0401 | -0.017 |
| 5.25 | 5.40 | 403 | 34.0% | 0.69 | 0.0407 | -0.016 | 48.5 | 1.86 | 1.91 | 3 | 2,365 | 34.1% | -0.31 | 0.0415 | -0.017 | |
| 4.95 | 5.10 | 132 | 979 | 34.0% | 0.67 | 0.0419 | -0.017 | 49 | 2.04 | 2.09 | 16 | 2,139 | 34.0% | -0.33 | 0.0429 | -0.018 |
| 4.65 | 4.80 | 330 | 34.0% | 0.65 | 0.0431 | -0.017 | 49.5 | 2.23 | 2.29 | 18 | 2,654 | 33.9% | -0.36 | 0.0441 | -0.018 | |
| 4.35 | 4.50 | 170 | 49.6K | 33.8% | 0.62 | 0.0440 | -0.018 | 50 | 2.44 | 2.50 | 141 | 30.0K | 33.8% | -0.38 | 0.0451 | -0.018 |
| 4.10 | 4.20 | 101 | 1,333 | 33.8% | 0.60 | 0.0448 | -0.018 | 50.5 | 2.65 | 2.74 | 12 | 3,617 | 33.8% | -0.40 | 0.0460 | -0.019 |
| 3.80 | 3.95 | 505 | 3,134 | 33.6% | 0.58 | 0.0454 | -0.018 | 51 | 2.89 | 2.99 | 8 | 1,134 | 33.9% | -0.43 | 0.0467 | -0.019 |
| 3.60 | 3.70 | 2 | 877 | 33.9% | 0.56 | 0.0459 | -0.019 | 51.5 | 3.10 | 3.20 | 359 | 2,066 | 33.5% | -0.45 | 0.0472 | -0.019 |
| 3.35 | 3.45 | 259 | 1,300 | 33.7% | 0.53 | 0.0461 | -0.019 | 52 | 3.40 | 3.50 | 393 | 3,813 | 33.9% | -0.47 | 0.0476 | -0.019 |
| 3.15 | 3.25 | 2 | 1,026 | 34.0% | 0.51 | 0.0462 | -0.019 | 52.5 | 3.65 | 3.80 | 101 | 4,586 | 33.9% | -0.50 | 0.0478 | -0.019 |
| 2.94 | 3.05 | 47 | 3,469 | 34.1% | 0.49 | 0.0461 | -0.019 | 53 | 3.95 | 4.10 | 14 | 5,193 | 34.0% | -0.52 | 0.0478 | -0.019 |
| 2.75 | 2.83 | 32 | 678 | 34.0% | 0.47 | 0.0459 | -0.019 | 53.5 | 4.25 | 4.40 | 10 | 1,850 | 34.1% | -0.54 | 0.0476 | -0.019 |
| 2.56 | 2.64 | 138 | 1,667 | 34.1% | 0.44 | 0.0455 | -0.019 | 54 | 4.60 | 4.70 | 2 | 2,509 | 34.2% | -0.57 | 0.0473 | -0.019 |
| 2.39 | 2.47 | 51 | 506 | 34.2% | 0.42 | 0.0449 | -0.019 | 54.5 | 4.90 | 5.05 | 212 | 1,196 | 34.3% | -0.59 | 0.0468 | -0.019 |
| 2.24 | 2.29 | 899 | 31.6K | 34.2% | 0.40 | 0.0443 | -0.019 | 55 | 5.25 | 5.40 | 188 | 22.2K | 34.5% | -0.61 | 0.0462 | -0.019 |
| 2.08 | 2.16 | 9 | 1,884 | 34.5% | 0.38 | 0.0435 | -0.018 | 55.5 | 5.55 | 5.75 | 2,527 | 34.4% | -0.63 | 0.0455 | -0.019 | |
| 1.94 | 2.01 | 176 | 3,107 | 34.5% | 0.36 | 0.0426 | -0.018 | 56 | 5.95 | 6.10 | 44 | 4,044 | 34.7% | -0.65 | 0.0447 | -0.018 |
| 1.82 | 1.88 | 29 | 1,371 | 34.8% | 0.35 | 0.0417 | -0.018 | 56.5 | 6.30 | 6.45 | 1,421 | 34.6% | -0.67 | 0.0439 | -0.018 | |
| 1.69 | 1.76 | 335 | 2,198 | 34.9% | 0.33 | 0.0406 | -0.018 | 57 | 6.70 | 6.85 | 9 | 7,211 | 35.0% | -0.69 | 0.0429 | -0.018 |
| 1.58 | 1.64 | 64 | 3,322 | 35.0% | 0.31 | 0.0396 | -0.018 | 57.5 | 7.10 | 7.25 | 2,912 | 35.2% | -0.70 | 0.0419 | -0.018 | |
| 1.47 | 1.53 | 482 | 3,321 | 35.1% | 0.30 | 0.0384 | -0.017 | 58 | 7.45 | 7.65 | 11 | 6,753 | 35.5% | -0.72 | 0.0409 | -0.017 |
| 1.38 | 1.44 | 139 | 1,069 | 35.4% | 0.28 | 0.0373 | -0.017 | 58.5 | 7.90 | 8.05 | 1,637 | 35.6% | -0.74 | 0.0398 | -0.017 | |
| 1.30 | 1.34 | 184 | 2,905 | 35.6% | 0.27 | 0.0361 | -0.017 | 59 | 8.30 | 8.50 | 3 | 4,473 | 35.9% | -0.75 | 0.0387 | -0.017 |
| 1.13 | 1.18 | 2,519 | 43.9K | 36.0% | 0.24 | 0.0337 | -0.016 | 60 | 9.15 | 9.30 | 55 | 32.6K | 36.1% | -0.78 | 0.0364 | -0.016 |
| 1.00 | 1.04 | 59 | 2,592 | 36.5% | 0.21 | 0.0313 | -0.015 | 61 | 10.00 | 10.20 | 1,465 | 36.6% | -0.81 | 0.0342 | -0.015 | |
| 0.9500 | 0.9700 | 11 | 1,046 | 36.8% | 0.20 | 0.0302 | -0.015 | 61.5 | 10.45 | 10.65 | 1 | 1,538 | 37.0% | -0.82 | 0.0331 | -0.014 |
| 0.8800 | 0.9100 | 158 | 16.0K | 36.9% | 0.19 | 0.0290 | -0.014 | 62 | 10.90 | 11.10 | 3 | 2,958 | 37.3% | -0.83 | 0.0320 | -0.014 |
| 0.8300 | 0.8700 | 2,074 | 2,958 | 37.3% | 0.18 | 0.0279 | -0.014 | 62.5 | 11.35 | 11.55 | 1,293 | 37.5% | -0.84 | 0.0309 | -0.014 | |
| 0.7900 | 0.8200 | 76 | 2,953 | 37.6% | 0.17 | 0.0268 | -0.014 | 63 | 11.80 | 12.00 | 1 | 2,207 | 37.7% | -0.85 | 0.0299 | -0.013 |
| 0.7400 | 0.7800 | 116 | 754 | 37.8% | 0.16 | 0.0258 | -0.013 | 63.5 | 12.20 | 12.45 | 392 | 37.3% | -0.86 | 0.0288 | -0.013 | |
| 0.7000 | 0.7300 | 27 | 2,784 | 38.1% | 0.16 | 0.0247 | -0.013 | 64 | 12.75 | 12.90 | 2 | 2,983 | 38.2% | -0.87 | 0.0279 | -0.013 |
| 0.6500 | 0.6900 | 40 | 1,207 | 38.2% | 0.15 | 0.0238 | -0.013 | 64.5 | 13.20 | 13.40 | 1,435 | 38.7% | -0.88 | 0.0270 | -0.012 | |
| 0.6300 | 0.6600 | 2,071 | 29.1K | 38.7% | 0.14 | 0.0228 | -0.012 | 65 | 13.70 | 13.85 | 8 | 17.6K | 39.1% | -0.89 | 0.0260 | -0.012 |
| 0.5900 | 0.6400 | 980 | 39.1% | 0.14 | 0.0219 | -0.012 | 65.5 | 14.15 | 14.35 | 10 | 672 | 39.5% | -0.89 | 0.0251 | -0.011 | |
| 0.5700 | 0.5900 | 12 | 5,796 | 39.3% | 0.13 | 0.0210 | -0.012 | 66 | 14.60 | 14.80 | 6 | 1,053 | 39.2% | -0.90 | 0.0243 | -0.011 |
| 0.5400 | 0.5700 | 1 | 1,109 | 39.6% | 0.12 | 0.0202 | -0.011 | 66.5 | 15.10 | 15.30 | 1,095 | 40.1% | -0.91 | 0.0235 | -0.011 | |
| 0.5000 | 0.5400 | 89 | 8,221 | 39.8% | 0.12 | 0.0194 | -0.011 | 67 | 15.55 | 15.75 | 3,675 | 39.7% | -0.91 | 0.0228 | -0.010 | |
| 0.4900 | 0.5100 | 1 | 1,258 | 40.2% | 0.11 | 0.0187 | -0.011 | 67.5 | 16.05 | 16.25 | 660 | 40.5% | -0.92 | 0.0221 | -0.010 | |
| 0.4700 | 0.4900 | 14 | 3,866 | 40.6% | 0.11 | 0.0180 | -0.011 | 68 | 16.45 | 16.80 | 963 | 40.6% | -0.92 | 0.0214 | -0.010 | |
| 0.4400 | 0.4700 | 146 | 5,561 | 40.8% | 0.10 | 0.0173 | -0.010 | 68.5 | 16.70 | 17.25 | 585 | -0.93 | 0.0206 | -0.010 | ||
| 0.4300 | 0.4500 | 122 | 6,148 | 41.2% | 0.10 | 0.0166 | -0.010 | 69 | 17.35 | 17.70 | 2,117 | 38.3% | -0.93 | 0.0199 | -0.009 | |
| 0.4100 | 0.4500 | 1,318 | 41.7% | 0.10 | 0.0160 | -0.010 | 69.5 | 17.65 | 18.80 | 251 | 45.8% | -0.94 | 0.0191 | -0.009 | ||
| 0.3900 | 0.4100 | 536 | 47.9K | 41.8% | 0.09 | 0.0154 | -0.010 | 70 | 18.50 | 18.65 | 8 | 14.4K | 42.0% | -0.94 | 0.0185 | -0.009 |
| 0.3700 | 0.4000 | 98 | 2,411 | 42.1% | 0.09 | 0.0149 | -0.009 | 70.5 | 18.55 | 19.15 | 993 | -0.95 | 0.0180 | -0.009 | ||
| 0.3600 | 0.4000 | 1,755 | 42.7% | 0.09 | 0.0143 | -0.009 | 71 | 18.10 | 20.40 | 722 | -0.95 | 0.0176 | -0.009 | |||
| 0.3500 | 0.3800 | 1 | 691 | 43.0% | 0.08 | 0.0138 | -0.009 | 71.5 | 18.60 | 20.90 | 538 | -0.95 | 0.0171 | -0.008 | ||
| 0.3400 | 0.3600 | 2 | 14.0K | 43.3% | 0.08 | 0.0133 | -0.009 | 72 | 19.10 | 21.35 | 1 | 2,677 | -0.96 | 0.0165 | -0.008 | |
| 0.3200 | 0.3600 | 1,130 | 43.7% | 0.08 | 0.0129 | -0.009 | 72.5 | 20.70 | 21.15 | 2,264 | -0.96 | 0.0160 | -0.008 | |||
| 0.3100 | 0.3500 | 2 | 3,008 | 44.1% | 0.07 | 0.0124 | -0.009 | 73 | 20.85 | 22.00 | 6 | 2,060 | -0.96 | 0.0158 | -0.007 | |
| 0.3000 | 0.3400 | 911 | 44.5% | 0.07 | 0.0120 | -0.009 | 73.5 | 20.55 | 23.55 | 363 | 46.1% | -0.97 | 0.0157 | -0.007 | ||
| 0.2900 | 0.3200 | 1 | 2,932 | 44.7% | 0.07 | 0.0116 | -0.008 | 74 | 21.00 | 24.05 | 822 | 45.5% | -0.97 | 0.0155 | -0.007 | |
| 0.2800 | 0.3200 | 1,322 | 45.2% | 0.07 | 0.0112 | -0.008 | 74.5 | 21.50 | 24.55 | 787 | 46.2% | -0.97 | 0.0153 | -0.006 | ||
| 0.2900 | 0.3000 | 312 | 36.8K | 45.6% | 0.06 | 0.0109 | -0.008 | 75 | 23.05 | 24.25 | 22 | 16.2K | 52.0% | -0.97 | 0.0149 | -0.006 |
| 0.2600 | 0.2800 | 1 | 1,937 | 46.1% | 0.06 | 0.0102 | -0.008 | 76 | 22.05 | 26.70 | 588 | -0.98 | 0.0139 | -0.005 | ||
| 0.2400 | 0.2700 | 544 | 4,077 | 46.8% | 0.06 | 0.0096 | -0.007 | 77 | 23.10 | 27.30 | 735 | -0.98 | 0.0125 | -0.005 | ||
Отображаемые страйки: в пределах ±50% от цены базового актива. Внутренняя стоимость = max(0, цена − страйк) для call, max(0, страйк − цена) для put; внешняя = цена опциона − внутренняя стоимость. Греки и IV, рассчитанные на основе биржевого фида.
Улыбка волатильности — Jan 15, 2027
Страница волатильности →Подразумеваемая волатильность по страйку для данного срока экспирации. Путы вне денег обычно имеют более высокую IV, чем коллы, — это и есть скос.