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)2.287.5515.150.71-19.329.2339.93-7.14-13.04127.6723.29-9.4261.1721.9340.3106.4310.43-25.71
24Q2 (19)2.12-0.47-14.860.8810.033.3343.000.5417.55103.55-9.35-25.250.1728.7417.7796.38-18.34-27.22
24Q1 (18)2.13-5.33-5.330.8011.1153.8542.775.895.87114.23-9.77-35.1238.9721.97-30.76118.03-12.6-26.31
23Q4 (17)2.2513.6412.50.7210.7710.7740.39-12.04-11.04126.60-10.17-9.7331.95-26.72-46.63135.04-5.747.36
23Q3 (16)1.98-20.48-12.780.65-1.52-13.3345.9225.5314.46140.941.8115.7843.602.35-16.73143.268.1930.84
23Q2 (15)2.4910.6723.270.6626.9211.8636.58-9.46-18.89138.44-21.36-10.9842.60-24.31-33.08132.42-17.33-3.31
23Q1 (14)2.2512.525.70.52-20.0-17.4640.40-11.01-20.66176.0525.5321.9556.28-6.0-15.06160.1727.3424.14
22Q4 (13)2.00-11.89-3.850.65-13.33-15.5845.4013.163.53140.2515.2119.3959.8714.34-0.3125.7814.8824.2
22Q3 (12)2.2712.389.660.7527.12-1.3240.12-11.04-8.69121.73-21.721.9452.36-17.75-23.08109.49-20.0514.91
22Q2 (11)2.0212.850.00.59-6.35-28.9245.10-11.430.16155.517.7242.0463.66-3.922.33136.956.1548.37
22Q1 (10)1.79-13.945.920.63-18.18-13.750.9216.12-5.32144.3622.8916.1566.2610.348.71129.0227.410.17
21Q4 (9)2.080.48-0.480.771.32-3.7543.85-0.20.69117.47-1.623.2660.05-11.7827.93101.276.29-8.24
21Q3 (8)2.072.48-10.780.76-8.435.5643.94-2.4212.06119.419.07-5.9468.079.4221.5595.283.23-13.51
21Q2 (7)2.0219.53-6.050.8313.713.745.03-16.276.28109.48-11.92-11.762.212.078.6492.30-21.19-15.4
21Q1 (6)1.69-19.14-12.890.73-8.75-5.1953.7823.4914.87124.299.265.0560.9529.8529.21117.116.11-0.73
20Q4 (5)2.09-9.91-2.340.8011.11-10.1143.5511.072.45113.76-10.3911.2146.94-16.184.54110.370.1910.48
20Q3 (4)2.327.910.00.72-1.370.039.21-7.460.0126.952.390.056.00-2.20.0110.160.970.0
20Q2 (3)2.1510.820.00.73-5.190.042.37-9.50.0123.994.790.057.2621.390.0109.10-7.520.0
20Q1 (2)1.94-9.350.00.77-13.480.046.8210.140.0118.3215.670.047.175.060.0117.9718.090.0
19Q4 (1)2.140.00.00.890.00.042.510.00.0102.290.00.044.900.00.099.900.00.0
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)9.624.02.64-11.4137.96-3.8138.2712.7139.41-17.98136.8119.91
2022 (9)9.2517.832.98-11.5739.46-15.09122.6813.3148.053.24114.095.43
2021 (8)7.859.333.372.1246.47-8.56108.27-2.1446.5417.17108.21-11.11
2020 (7)7.18-21.193.30-20.150.8226.89110.6425.1939.72-2.12121.7438.58
2019 (6)9.117.34.139.5540.05-6.8488.38-8.7240.58-17.5587.85-3.02
2018 (5)8.49-18.373.773.0142.9922.5596.82-2.9749.2220.0290.59-3.46
2017 (4)10.40-6.143.669.9135.086.5399.78-8.8641.01-5.9893.84-5.01
2016 (3)11.085.323.3310.2632.93-5.1109.48-9.5443.62-8.6398.79-8.51
2015 (2)10.520.573.02-3.8234.70-0.57121.024.1747.7411.49107.98-0.26
2014 (1)10.468.733.141.2934.90-7.96116.18-1.4342.828.51108.26-6.94

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