玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.59-3.2813.464.416.2729.33153.452.55-12.2220.64-5.8-22.75106.8713.281.7267.22-12.95-30.33
24Q2 (19)0.6117.3110.914.1551.4641.16149.64-14.82-9.2521.91-33.95-29.2394.34-18.02-0.277.22-17.66-23.79
24Q1 (18)0.52-1.8920.932.74-10.4616.6175.681.46-16.2833.1711.61-14.25115.07-2.45-8.3393.7810.42-23.76
23Q4 (17)0.531.9210.423.06-10.2616.79173.16-0.95-8.8329.7211.23-14.38117.9612.284.8984.93-11.97-24.29
23Q3 (16)0.52-5.451.963.4115.9957.14174.826.02-2.9726.72-13.7-36.4105.0611.14-9.0396.48-4.79-9.58
23Q2 (15)0.5527.91-8.332.9425.1115.29164.89-21.427.8330.96-19.96-13.394.53-24.69-4.3101.33-17.6212.78
23Q1 (14)0.43-10.42-24.562.35-10.31-16.96209.8510.4931.0238.6811.4420.27125.5211.6118.33123.019.6542.62
22Q4 (13)0.48-5.88-2.042.6220.74-19.88189.935.412.4834.71-17.3824.86112.46-2.62-0.77112.185.1412.39
22Q3 (12)0.51-15.010.872.17-14.9-49.06180.1817.83-9.7642.0117.6496.49115.4916.922.5106.7018.75-1.54
22Q2 (11)0.605.2617.652.55-9.89-50.68152.92-4.53-14.4535.7111.04102.7898.78-6.88-5.3989.854.17-2.28
22Q1 (10)0.5716.3318.752.83-13.46-36.26160.17-13.58-16.0232.1615.6856.8106.08-6.40.9686.25-13.59-18.75
21Q4 (9)0.496.52-3.923.27-23.24-24.31185.34-7.172.9127.8030.0331.94113.330.5924.7299.81-7.9-9.51
21Q3 (8)0.46-9.8-9.84.26-17.618.01199.6611.712.3721.3821.41-15.26112.677.9125.01108.3717.86-3.9
21Q2 (7)0.516.25-3.775.1716.4461.56178.74-6.284.9917.61-14.14-37.99104.41-0.63-6.4791.95-13.395.67
21Q1 (6)0.48-5.88-20.04.442.7836.62190.725.926.0520.51-2.66-26.67105.0715.63-8.55106.16-3.7564.87
20Q4 (5)0.510.0-8.934.3219.6731.71180.101.3611.3421.07-16.49-23.9990.870.82-13.59110.30-2.1930.83
20Q3 (4)0.51-3.770.03.6112.810.0177.684.360.025.23-11.160.090.13-19.260.0112.7729.590.0
20Q2 (3)0.53-11.670.03.20-1.540.0170.2512.520.028.401.540.0111.63-2.840.087.0235.150.0
20Q1 (2)0.607.140.03.25-0.910.0151.31-6.460.027.970.90.0114.899.250.064.39-23.630.0
19Q4 (1)0.560.00.03.280.00.0161.760.00.027.720.00.0105.160.00.084.310.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)2.00-1.4811.34-4.06182.431.6932.184.21117.22-2.697.398.32
2022 (9)2.03-7.7311.82-25.52179.398.1230.8834.26120.3518.0589.913.37
2021 (8)2.203.2915.872.45165.92-3.3223.00-2.42101.95-3.7686.98-2.54
2020 (7)2.13-14.815.4931.38171.6217.6123.57-23.87105.930.7289.2524.44
2019 (6)2.50-4.9411.7919.21145.925.2630.96-16.1105.171.5771.72-0.38
2018 (5)2.63-12.049.89-17.03138.6313.5836.9020.55103.54-0.3971.9947.76
2017 (4)2.99-5.3811.92-19.95122.065.6530.6124.89103.952.3148.7226.74
2016 (3)3.16-9.9714.8913.49115.5310.9624.51-11.9101.6020.0238.44-18.71
2015 (2)3.51-18.7513.12-6.29104.1223.3627.826.7184.6521.3447.2916.16
2014 (1)4.3216.1314.00-5.5384.40-13.9526.075.8569.76-24.140.7132.13

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