优化Excel索引匹配问题的最有效方法
我在excel中有一个电子表格,用于跟踪最近可用合约的未平仓期货合约数量(见C列)。在E列中,我还跟踪了合同到期前的剩余天数 我要做的是填充一个表,它将提取我有数据的每个月和年份的历史未平仓利率,该数据与当前到期日最接近。基本上是尝试获取每个月的快照,直到到期的天数相同。例如,目前合同到期还有11天。我想提取2019年1月到期前11天的未平仓金额(C列中的值),2019年2月到期前11天的未平仓金额,以此类推。我有大约5年的数据 我做了一个空白的表格来说明我想要实现的目标 我所尝试的:优化Excel索引匹配问题的最有效方法,excel,excel-formula,Excel,Excel Formula,我在excel中有一个电子表格,用于跟踪最近可用合约的未平仓期货合约数量(见C列)。在E列中,我还跟踪了合同到期前的剩余天数 我要做的是填充一个表,它将提取我有数据的每个月和年份的历史未平仓利率,该数据与当前到期日最接近。基本上是尝试获取每个月的快照,直到到期的天数相同。例如,目前合同到期还有11天。我想提取2019年1月到期前11天的未平仓金额(C列中的值),2019年2月到期前11天的未平仓金额,以此类推。我有大约5年的数据 我做了一个空白的表格来说明我想要实现的目标 我所尝试的: 到目前
到目前为止,我已经尝试添加您在F列中看到的代码列 然后: 1.我尝试使用
match
查找该单元格的月/年组合开始的行,并查找该日期-月组合的第一个精确外观。
2.我试图通过使用sumproduct
找到上一个月/年组合所在的行:
SUMPRODUCT(最大值(世界其他地区(Sheet1!AP:AP)*(Sheet1!AP:AP='Sheet1(2)!$E$3)
其中,表1(2)E3等于月-年组合。
3.然后我使用indirect
为该月/年组合开始和结束创建范围,并进行另一个索引
匹配
集合,该集合使用该范围并搜索该范围内最接近到期日的天数
这是可行的,但我所看到的是他这个令人毛骨悚然的复杂公式,很难理解,而且速度也很慢
=INDEX(INDIRECT("Sheet1!AY"&MATCH('Sheet1 (2)'!$E$3,Sheet1!AP:AP,0)&":AY"&
SUMPRODUCT(MAX(ROW(Sheet1!AP:AP)*(Sheet1!AP:AP='Sheet1 (2)'!$E$3)))),
MATCH($C$3,INDIRECT("Sheet1!AM"&
MATCH('Sheet1 (2)'!$E$3,Sheet1!$AP:$AP,0)&":AM"&
SUMPRODUCT(MAX(ROW(Sheet1!$AP:$AP)*(Sheet1!$AP:$AP='Sheet1 (2)'!$E$3)))),0))
我想知道是否有人对更有效地解决这个问题有什么想法
我附上了一个小样本,以防任何人需要使用excel以及我的工作表的图像,这样你就可以看到我试图创建的表的外壳
+-----------+----------+----------+----------+------------------+--------+
| Date | Contract | OI | COD | Days Till Expiry | code |
+-----------+----------+----------+----------+------------------+--------+
| 3-Jan-19 | FEB | 378,871 | (2,673) | 28 | 20191 |
| 4-Jan-19 | FEB | 367,400 | (11,471) | 27 | 20191 |
| 7-Jan-19 | FEB | 361,363 | (6,037) | 24 | 20191 |
| 8-Jan-19 | FEB | 329,416 | (31,947) | 23 | 20191 |
| 9-Jan-19 | FEB | 290,508 | (38,908) | 22 | 20191 |
| 10-Jan-19 | FEB | 260,311 | (30,197) | 21 | 20191 |
| 11-Jan-19 | FEB | 216,583 | (43,728) | 20 | 20191 |
| 14-Jan-19 | FEB | 176,807 | (39,776) | 17 | 20191 |
| 15-Jan-19 | FEB | 145,033 | (31,774) | 16 | 20191 |
| 16-Jan-19 | FEB | 89,777 | (55,256) | 15 | 20191 |
| 17-Jan-19 | FEB | 61,293 | (28,484) | 14 | 20191 |
| 18-Jan-19 | FEB | 25,682 | (35,611) | 13 | 20191 |
| 22-Jan-19 | MAR | 499,043 | (6,558) | 9 | 20191 |
| 23-Jan-19 | MAR | 496,877 | (2,166) | 8 | 20191 |
| 24-Jan-19 | MAR | 481,966 | (14,911) | 7 | 20191 |
| 25-Jan-19 | MAR | 471,888 | (10,078) | 6 | 20191 |
| 28-Jan-19 | MAR | 469,447 | (2,441) | 3 | 20191 |
| 29-Jan-19 | MAR | 464,251 | (5,196) | 2 | 20191 |
| 30-Jan-19 | MAR | 466,044 | 1,793 | 1 | 20191 |
| 31-Jan-19 | MAR | 463,779 | (2,265) | 28 | 20191 |
| 1-Feb-19 | MAR | 457,940 | (5,839) | 27 | 20192 |
| 4-Feb-19 | MAR | 441,710 | (16,230) | 24 | 20192 |
| 5-Feb-19 | MAR | 431,584 | (10,126) | 23 | 20192 |
| 6-Feb-19 | MAR | 413,688 | (17,896) | 22 | 20192 |
| 7-Feb-19 | MAR | 371,226 | (42,462) | 21 | 20192 |
| 8-Feb-19 | MAR | 318,986 | (52,240) | 20 | 20192 |
| 11-Feb-19 | MAR | 264,681 | (54,305) | 17 | 20192 |
| 12-Feb-19 | MAR | 223,779 | (40,902) | 16 | 20192 |
| 13-Feb-19 | MAR | 163,621 | (60,158) | 15 | 20192 |
| 14-Feb-19 | MAR | 109,346 | (54,275) | 14 | 20192 |
| 15-Feb-19 | MAR | 74,706 | (34,640) | 13 | 20192 |
| 19-Feb-19 | MAR | 29,785 | (44,921) | 9 | 20192 |
| 20-Feb-19 | APR | 407,691 | 8,288 | 8 | 20192 |
| 21-Feb-19 | APR | 400,292 | (7,399) | 7 | 20192 |
| 22-Feb-19 | APR | 399,406 | (886) | 6 | 20192 |
| 25-Feb-19 | APR | 387,301 | (12,105) | 3 | 20192 |
| 26-Feb-19 | APR | 382,166 | (5,135) | 2 | 20192 |
| 27-Feb-19 | APR | 383,252 | 1,086 | 1 | 20192 |
| 28-Feb-19 | APR | 377,617 | (5,635) | 29 | 20192 |
| 1-Mar-19 | APR | 368,105 | (9,512) | 28 | 20193 |
| 4-Mar-19 | APR | 358,824 | (9,281) | 25 | 20193 |
| 5-Mar-19 | APR | 353,287 | (5,537) | 24 | 20193 |
| 6-Mar-19 | APR | 332,570 | (20,717) | 23 | 20193 |
| 7-Mar-19 | APR | 294,866 | (37,704) | 22 | 20193 |
| 8-Mar-19 | APR | 252,613 | (42,253) | 21 | 20193 |
| 11-Mar-19 | APR | 215,862 | (36,751) | 18 | 20193 |
| 12-Mar-19 | APR | 184,451 | (31,411) | 17 | 20193 |
| 13-Mar-19 | APR | 161,079 | (23,372) | 16 | 20193 |
| 14-Mar-19 | APR | 134,939 | (26,140) | 15 | 20193 |
| 15-Mar-19 | APR | 98,719 | (36,220) | 14 | 20193 |
| 18-Mar-19 | APR | 67,480 | (31,239) | 11 | 20193 |
| 19-Mar-19 | APR | 18,770 | (48,710) | 10 | 20193 |
| 20-Mar-19 | MAY | 435,389 | (301) | 9 | 20193 |
| 21-Mar-19 | MAY | 434,375 | (1,014) | 8 | 20193 |
| 22-Mar-19 | MAY | 426,723 | (7,652) | 7 | 20193 |
| 25-Mar-19 | MAY | 423,515 | (3,208) | 4 | 20193 |
| 26-Mar-19 | MAY | 422,471 | (1,044) | 3 | 20193 |
| 27-Mar-19 | MAY | 409,365 | (13,106) | 2 | 20193 |
| 28-Mar-19 | MAY | 401,827 | (7,538) | 1 | 20193 |
| 29-Mar-19 | MAY | 403,676 | 1,849 | 32 | 20193 |
| 1-Apr-19 | MAY | 405,918 | 2,242 | 29 | 20194 |
| 2-Apr-19 | MAY | 391,777 | (14,141) | 28 | 20194 |
| 3-Apr-19 | MAY | 374,802 | (16,975) | 27 | 20194 |
| 4-Apr-19 | MAY | 361,966 | (12,836) | 26 | 20194 |
| 5-Apr-19 | MAY | 346,628 | (15,338) | 25 | 20194 |
| 8-Apr-19 | MAY | 318,369 | (28,259) | 22 | 20194 |
| 9-Apr-19 | MAY | 280,173 | (38,196) | 21 | 20194 |
| 10-Apr-19 | MAY | 257,042 | (23,131) | 20 | 20194 |
| 11-Apr-19 | MAY | 218,311 | (38,731) | 19 | 20194 |
| 12-Apr-19 | MAY | 196,720 | (21,591) | 18 | 20194 |
| 15-Apr-19 | MAY | 162,601 | (34,119) | 15 | 20194 |
| 16-Apr-19 | MAY | 98,193 | (64,408) | 14 | 20194 |
| 17-Apr-19 | MAY | 72,280 | (25,913) | 13 | 20194 |
| 18-Apr-19 | MAY | 22,036 | (50,244) | 12 | 20194 |
| 22-Apr-19 | JUN | 477,250 | 16,318 | 8 | 20194 |
| 23-Apr-19 | JUN | 473,277 | (3,973) | 7 | 20194 |
| 24-Apr-19 | JUN | 473,594 | 317 | 6 | 20194 |
| 25-Apr-19 | JUN | 459,817 | (13,777) | 5 | 20194 |
| 26-Apr-19 | JUN | 456,552 | (3,265) | 4 | 20194 |
| 29-Apr-19 | JUN | 446,583 | (9,969) | 1 | 20194 |
| 30-Apr-19 | JUN | 439,249 | (7,334) | 31 | 20194 |
| 1-May-19 | JUN | 431,230 | (8,019) | 30 | 20195 |
| 2-May-19 | JUN | 420,813 | (10,417) | 29 | 20195 |
| 3-May-19 | JUN | 394,652 | (26,161) | 28 | 20195 |
| 6-May-19 | JUN | 384,049 | (10,603) | 25 | 20195 |
| 7-May-19 | JUN | 347,698 | (36,351) | 24 | 20195 |
| 8-May-19 | JUN | 315,442 | (32,256) | 23 | 20195 |
| 9-May-19 | JUN | 292,022 | (23,420) | 22 | 20195 |
| 10-May-19 | JUN | 261,381 | (30,641) | 21 | 20195 |
| 13-May-19 | JUN | 229,525 | (31,856) | 18 | 20195 |
| 14-May-19 | JUN | 203,905 | (25,620) | 17 | 20195 |
| 15-May-19 | JUN | 166,034 | (37,871) | 16 | 20195 |
| 16-May-19 | JUN | 98,367 | (67,667) | 15 | 20195 |
| 17-May-19 | JUN | 66,762 | (31,605) | 14 | 20195 |
| 20-May-19 | JUN | 20,690 | (46,072) | 11 | 20195 |
| 21-May-19 | JUL | 441,614 | (5,739) | 10 | 20195 |
| 22-May-19 | JUL | 441,633 | 19 | 9 | 20195 |
| 23-May-19 | JUL | 438,307 | (3,326) | 8 | 20195 |
| 24-May-19 | JUL | 427,918 | (10,389) | 7 | 20195 |
| 28-May-19 | JUL | 412,018 | (15,900) | 3 | 20195 |
| 29-May-19 | JUL | 382,277 | (29,741) | 2 | 20195 |
| 30-May-19 | JUL | 376,374 | (5,903) | 1 | 20195 |
| 31-May-19 | JUL | 368,466 | (7,908) | 28 | 20195 |
| 3-Jun-19 | JUL | 366,193 | (2,273) | 25 | 20196 |
| 4-Jun-19 | JUL | 363,046 | (3,147) | 24 | 20196 |
| 5-Jun-19 | JUL | 362,201 | (845) | 23 | 20196 |
| 6-Jun-19 | JUL | 343,970 | (18,231) | 22 | 20196 |
| 7-Jun-19 | JUL | 308,942 | (35,028) | 21 | 20196 |
| 10-Jun-19 | JUL | 272,110 | (36,832) | 18 | 20196 |
| 11-Jun-19 | JUL | 237,203 | (34,907) | 17 | 20196 |
| 12-Jun-19 | JUL | 203,403 | (33,800) | 16 | 20196 |
| 13-Jun-19 | JUL | 157,857 | (45,546) | 15 | 20196 |
| 14-Jun-19 | JUL | 128,496 | (29,361) | 14 | 20196 |
| 17-Jun-19 | JUL | 79,872 | (48,624) | 11 | 20196 |
| 18-Jun-19 | JUL | 54,119 | (25,753) | 10 | 20196 |
| 19-Jun-19 | JUL | 21,321 | (32,798) | 9 | 20196 |
| 20-Jun-19 | AUG | 347,579 | 4,288 | 8 | 20196 |
| 21-Jun-19 | AUG | 345,680 | (1,899) | 7 | 20196 |
| 24-Jun-19 | AUG | 341,183 | (4,497) | 4 | 20196 |
| 25-Jun-19 | AUG | 338,117 | (3,066) | 3 | 20196 |
| 26-Jun-19 | AUG | 338,300 | 183 | 2 | 20196 |
| 27-Jun-19 | AUG | 334,543 | (3,757) | 1 | 20196 |
| 28-Jun-19 | AUG | 328,837 | (5,706) | 33 | 20196 |
| 1-Jul-19 | AUG | 319,323 | (9,514) | 30 | 20197 |
| 2-Jul-19 | AUG | 313,008 | (6,315) | 29 | 20197 |
| 3-Jul-19 | AUG | 299,915 | (13,093) | 28 | 20197 |
| 5-Jul-19 | AUG | 289,164 | (10,751) | 26 | 20197 |
| 8-Jul-19 | AUG | 262,191 | (26,973) | 23 | 20197 |
| 9-Jul-19 | AUG | 234,613 | (27,578) | 22 | 20197 |
| 10-Jul-19 | AUG | 215,505 | (19,108) | 21 | 20197 |
| 11-Jul-19 | AUG | 199,666 | (15,839) | 20 | 20197 |
| 12-Jul-19 | AUG | 179,768 | (19,898) | 19 | 20197 |
| 15-Jul-19 | AUG | 147,999 | (31,769) | 16 | 20197 |
| 16-Jul-19 | AUG | 119,793 | (28,206) | 15 | 20197 |
| 17-Jul-19 | AUG | 83,809 | (35,984) | 14 | 20197 |
| 18-Jul-19 | AUG | 55,908 | (27,901) | 13 | 20197 |
| 19-Jul-19 | AUG | 19,557 | (36,351) | 12 | 20197 |
| 22-Jul-19 | SEP | 438,301 | 391 | 9 | 20197 |
| 23-Jul-19 | SEP | 431,404 | (6,897) | 8 | 20197 |
| 24-Jul-19 | SEP | 421,203 | (10,201) | 7 | 20197 |
| 25-Jul-19 | SEP | 417,324 | (3,879) | 6 | 20197 |
| 26-Jul-19 | SEP | 410,680 | (6,644) | 5 | 20197 |
| 29-Jul-19 | SEP | 411,795 | 1,115 | 2 | 20197 |
| 30-Jul-19 | SEP | 406,009 | (5,786) | 1 | 20197 |
| 31-Jul-19 | SEP | 402,392 | (3,617) | 30 | 20197 |
| 1-Aug-19 | SEP | 403,715 | 1,323 | 29 | 20198 |
| 2-Aug-19 | SEP | 399,849 | (3,866) | 28 | 20198 |
| 5-Aug-19 | SEP | 384,410 | (15,439) | 25 | 20198 |
| 6-Aug-19 | SEP | 381,492 | (2,918) | 24 | 20198 |
| 7-Aug-19 | SEP | 344,560 | (36,932) | 23 | 20198 |
| 8-Aug-19 | SEP | 301,000 | (43,560) | 22 | 20198 |
| 9-Aug-19 | SEP | 266,871 | (34,129) | 21 | 20198 |
| 12-Aug-19 | SEP | 227,125 | (39,746) | 18 | 20198 |
| 13-Aug-19 | SEP | 174,139 | (52,986) | 17 | 20198 |
| 14-Aug-19 | SEP | 137,250 | (36,889) | 16 | 20198 |
| 15-Aug-19 | SEP | 100,019 | (37,231) | 15 | 20198 |
| 16-Aug-19 | SEP | 82,935 | (17,084) | 14 | 20198 |
| 19-Aug-19 | SEP | 34,638 | (48,297) | 11 | 20198 |
| 20-Aug-19 | OCT | 369,434 | (13,140) | 10 | 20198 |
| 21-Aug-19 | OCT | 366,408 | (3,026) | 9 | 20198 |
| 22-Aug-19 | OCT | 361,189 | (5,219) | 8 | 20198 |
| 23-Aug-19 | OCT | 359,507 | (1,682) | 7 | 20198 |
| 26-Aug-19 | OCT | 362,457 | 2,950 | 4 | 20198 |
| 27-Aug-19 | OCT | 369,335 | 6,878 | 3 | 20198 |
| 28-Aug-19 | OCT | 373,402 | 4,067 | 2 | 20198 |
| 29-Aug-19 | OCT | 370,192 | (3,210) | 1 | 20198 |
| 30-Aug-19 | OCT | 372,871 | 2,679 | 31 | 20198 |
| 3-Sep-19 | OCT | 370,141 | (2,730) | 27 | 20199 |
| 4-Sep-19 | OCT | 351,755 | (18,386) | 26 | 20199 |
| 5-Sep-19 | OCT | 319,489 | (32,266) | 25 | 20199 |
| 6-Sep-19 | OCT | 299,951 | (19,538) | 24 | 20199 |
| 9-Sep-19 | OCT | 265,327 | (34,624) | 21 | 20199 |
| 10-Sep-19 | OCT | 227,421 | (37,906) | 20 | 20199 |
| 11-Sep-19 | OCT | 191,570 | (35,851) | 19 | 20199 |
| 12-Sep-19 | OCT | 159,934 | (31,636) | 18 | 20199 |
| 13-Sep-19 | OCT | 138,296 | (21,638) | 17 | 20199 |
| 16-Sep-19 | OCT | 80,041 | (58,255) | 14 | 20199 |
| 17-Sep-19 | OCT | 59,406 | (20,635) | 13 | 20199 |
| 18-Sep-19 | OCT | 20,475 | (38,931) | 12 | 20199 |
| 19-Sep-19 | NOV | 412,945 | 31,478 | 11 | 20199 |
| 20-Sep-19 | NOV | 411,387 | (1,558) | 10 | 20199 |
| 23-Sep-19 | NOV | 406,079 | (5,308) | 7 | 20199 |
| 24-Sep-19 | NOV | 404,106 | (1,973) | 6 | 20199 |
| 25-Sep-19 | NOV | 390,178 | (13,928) | 5 | 20199 |
| 26-Sep-19 | NOV | 384,036 | (6,142) | 4 | 20199 |
| 27-Sep-19 | NOV | 380,790 | (3,246) | 3 | 20199 |
| 30-Sep-19 | NOV | 384,034 | 3,244 | 31 | 20199 |
| 1-Oct-19 | NOV | 385,741 | 1,707 | 30 | 201910 |
| 2-Oct-19 | NOV | 387,010 | 1,269 | 29 | 201910 |
| 3-Oct-19 | NOV | 391,826 | 4,816 | 28 | 201910 |
| 4-Oct-19 | NOV | 388,735 | (3,091) | 27 | 201910 |
| 7-Oct-19 | NOV | 353,392 | (35,343) | 24 | 201910 |
| 8-Oct-19 | NOV | 303,430 | (49,962) | 23 | 201910 |
| 9-Oct-19 | NOV | 258,642 | (44,788) | 22 | 201910 |
| 10-Oct-19 | NOV | 224,022 | (34,620) | 21 | 201910 |
| 11-Oct-19 | NOV | 182,895 | (41,127) | 20 | 201910 |
| 14-Oct-19 | NOV | 167,983 | (14,912) | 17 | 201910 |
| 15-Oct-19 | NOV | 147,337 | (20,646) | 16 | 201910 |
| 16-Oct-19 | NOV | 121,704 | (25,633) | 15 | 201910 |
| 17-Oct-19 | NOV | 79,987 | (41,717) | 14 | 201910 |
| 18-Oct-19 | NOV | 54,642 | (25,345) | 13 | 201910 |
| 21-Oct-19 | NOV | 31,545 | (23,097) | 10 | 201910 |
| 22-Oct-19 | DEC | 455,595 | 6,296 | 9 | 201910 |
| 23-Oct-19 | DEC | 449,370 | (6,225) | 8 | 201910 |
| 24-Oct-19 | DEC | 444,100 | (5,270) | 7 | 201910 |
| 25-Oct-19 | DEC | 443,839 | (261) | 6 | 201910 |
| 28-Oct-19 | DEC | 435,704 | (8,135) | 3 | 201910 |
| 29-Oct-19 | DEC | 426,782 | (8,922) | 2 | 201910 |
| 30-Oct-19 | DEC | 412,326 | (14,456) | 1 | 201910 |
| 31-Oct-19 | DEC | 404,468 | (7,858) | 29 | 201910 |
| 5-Nov-19 | DEC | 396,111 | (8,357) | 24 | 201911 |
| 6-Nov-19 | DEC | 370,659 | (25,452) | 23 | 201911 |
| 7-Nov-19 | DEC | 352,623 | (18,036) | 22 | 201911 |
| 8-Nov-19 | DEC | 317,524 | (35,099) | 21 | 201911 |
| 11-Nov-19 | DEC | 280,522 | (37,002) | 18 | 201911 |
| 12-Nov-19 | DEC | 223,814 | (56,708) | 17 | 201911 |
| 13-Nov-19 | DEC | 195,205 | (28,609) | 16 | 201911 |
| 14-Nov-19 | DEC | 152,910 | (42,295) | 15 | 201911 |
| 15-Nov-19 | DEC | 99,745 | (53,165) | 14 | 201911 |
| 18-Nov-19 | DEC | 67,327 | (32,418) | 11 | 201911 |
| 19-Nov-19 | DEC | 23,223 | (44,104) | 10 | 201911 |
| 20-Nov-19 | JAN | 456,531 | (14,092) | 9 | 201911 |
+-----------+----------+----------+----------+------------------+--------+
我的第一次尝试(不是答案,每个日期仅适用于至少一条记录)
如果到期前的年/月/日组合是唯一的,您可以将此公式用于J10
:
=SUMPRODUCT(N($I10=年($A$2:$A$99));N($J$9=月($A$2:$A$99));N($J$5=$E$2:$E$99);$C$2:$C$99)
由于我不知道数据的终点,我将范围限制在第99行。您可以将该数字编辑到数据的最后一行。此外,您可以将公式从J10
复制并粘贴到所需的整个范围(据我所知,最大范围为U13
)
请注意,如果到期前的年/月/日的组合不是唯一的(即,对于给定的组合,您有多行),则该行的所有OI值相加
我的第二次尝试 几年前我也遇到过类似的情况,在搜索了几分钟后,我找到了旧的Excel文件,可以转换我的旧解决方案以匹配您的场景 同样,根据屏幕截图,您可以将以下公式复制到单元格
J10
{=SUMPRODUCT(N(NUMBERVALUE($I10&""&J$9)=$F$2:$F$999),N($E$2:$E$999=MIN(IF(N(NUMBERVALUE($I10&""&J$9)=$F$2:$F$999)*N($J$5<=$E$2:$E$999)>0,$E$2:$E$999,99999))),$C$2:$C$999)}
2) 查找过期值大于或等于搜索值的行中具有最小过期值的行(单元格J5
)
希望,这会有帮助。是的,它们是独一无二的。每年每个月的每一天只有一天到期。如果没有精确的匹配,这将如何实现。例如,可能还有10天到期,但上个月,第10天是周末,所以我需要它来选择第11天。对不起,我没有正确阅读问题。我假设每个日期至少有一条记录/行。我感谢您抽出时间来尝试!
N(NUMBERVALUE($I10&""&J$9)=$F$2:$F$999)
N($E$2:$E$999=MIN(IF(N(NUMBERVALUE($I10&""&J$9)=$F$2:$F$999)*N($J$5<=$E$2:$E$999)>0,$E$2:$E$999,99999)))
$C$2:$C$999