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)1.53-4.97-25.7329.43-33.67104.0959.535.1834.813.0950.73-51.0337.2212.8954.0625.40-1.09-3.46
24Q2 (19)1.61-13.44-23.3344.3723.11240.056.6015.5330.842.05-18.65-70.5932.9720.2437.0325.686.56-1.91
24Q1 (18)1.86-2.62-16.5936.0458.2198.7948.993.0120.312.52-37.0-49.827.4210.168.2124.10-9.618.14
23Q4 (17)1.91-7.28-21.0722.7857.9824.6947.567.726.524.00-36.61-19.6824.893.02-16.8426.661.33110.92
23Q3 (16)2.06-1.9-14.5214.4210.5-27.2144.162.0817.076.31-9.4737.4724.160.42-22.0626.310.5132.42
23Q2 (15)2.10-5.83-6.2513.05-28.02-48.3843.266.246.476.9738.8493.6124.06-5.05-15.3426.1828.3365.49
23Q1 (14)2.23-7.85-2.1918.13-0.77-49.1640.728.331.935.020.896.8625.34-15.34-12.1120.4061.3949.12
22Q4 (13)2.420.4110.518.27-7.77-20.737.59-0.34-9.364.988.526.0829.93-3.45-17.4312.6411.6637.84
22Q3 (12)2.417.590.019.81-21.64-36.1637.72-7.16-0.264.5927.556.6631.009.08-8.211.32-28.4561.95
22Q2 (11)2.24-1.756.6725.28-29.11-60.1140.631.7-6.013.6041.18150.028.42-1.4212.9615.8215.64-18.91
22Q1 (10)2.284.1115.7435.6654.77-0.6139.95-3.67-13.732.55-35.440.3928.83-20.4729.2813.6849.18-48.46
21Q4 (9)2.19-9.1317.1123.04-25.75-44.0241.479.65-14.583.9534.8178.7336.257.3466.829.1731.19-68.41
21Q3 (8)2.4114.762.9931.03-51.03-44.5537.82-12.51-2.832.93103.4779.7533.7734.2260.126.99-64.17-64.08
21Q2 (7)2.106.627.2763.3776.62125.9243.23-6.65-21.461.44-43.31-55.5625.1612.83-52.3919.51-26.49259.3
21Q1 (6)1.975.35-4.3735.88-12.835.3746.31-4.614.992.5414.93-4.8722.302.62-57.7826.54-8.58539.4
20Q4 (5)1.87-20.09-65.2441.16-26.45-72.8248.5524.74186.942.2135.58268.3321.733.03-27.1529.0349.18335.82
20Q3 (4)2.3441.820.055.9699.50.038.92-29.290.01.63-49.690.021.09-60.090.019.46258.380.0
20Q2 (3)1.65-19.90.028.05-17.620.055.0424.780.03.2421.350.052.850.060.05.43189.90.0
20Q1 (2)2.06-61.710.034.05-77.510.044.11160.70.02.67345.00.052.8277.070.0-6.0450.930.0
19Q4 (1)5.380.00.0151.410.00.016.920.00.00.600.00.029.830.00.0-12.310.00.0
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)8.09-14.385.23-18.4245.1116.714.2822.6427.94-7.6121.4580.25
2022 (9)9.4411.58104.48-31.6138.65-10.473.4946.0330.2422.6811.90-43.09
2021 (8)8.466.28152.764.6743.17-5.892.39-4.424.65-34.7520.9197.45
2020 (7)7.96-28.61145.9526.745.8740.12.50-21.1437.78-14.6610.590
2019 (6)11.15-20.13115.19-47.7632.7425.23.1790.9644.2716.9-8.350
2018 (5)13.9646.64220.50026.15-31.811.66037.874.04-10.070
2017 (4)9.52-20.270.00038.3525.490.00036.409.471.950
2016 (3)11.946.610.00030.56-6.260.00033.256.81-2.690
2015 (2)11.20-4.6272341.00114.9432.604.890.00031.137.681.47-32.57
2014 (1)11.744.82126708.00031.08-4.60.00028.91-42.022.180

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