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)1.22-0.81-6.150.615.170.074.740.927.08150.40-4.01.3352.61-5.1-11.92172.53-1.578.85
24Q2 (19)1.230.0-1.60.585.451.7574.06-0.261.66156.66-5.96-1.7255.44-10.22-20.56175.28-2.127.89
24Q1 (18)1.23-1.60.820.55-5.17-3.5174.251.78-0.35166.585.324.0561.750.24-18.46179.085.6512.72
23Q4 (17)1.25-3.85-2.340.58-4.92-13.4372.954.512.29158.166.5615.6861.603.13-8.93169.516.9520.73
23Q3 (16)1.304.02.360.617.02-10.2969.80-4.19-2.83148.42-6.8910.6559.73-14.41-7.91158.50-2.4412.32
23Q2 (15)1.252.46-3.850.570.0-12.3172.85-2.234.43159.40-0.4314.6769.79-7.848.44162.462.2612.51
23Q1 (14)1.22-4.698.930.57-14.93-1.7274.514.47-7.94160.0917.092.2775.7311.960.3158.8713.16-1.91
22Q4 (13)1.280.7910.340.67-1.476.3571.32-0.71-8.79136.721.92-4.9267.644.29-7.55140.40-0.5-5.66
22Q3 (12)1.27-2.3112.390.684.627.9471.832.97-10.99134.14-3.5-7.3364.860.78-10.09141.11-2.28-7.96
22Q2 (11)1.3016.0711.110.6512.07-1.5269.76-13.81-10.38139.01-11.190.6564.36-14.75-6.49144.40-10.85-1.85
22Q1 (10)1.12-3.45-4.270.58-7.94-10.7780.943.524.1156.538.8611.0975.503.27.69161.978.839.03
21Q4 (9)1.162.65-2.520.630.0-7.3578.19-3.112.45143.79-0.667.2173.161.419.29148.83-2.923.71
21Q3 (8)1.13-3.424.630.63-4.55-4.5580.703.67-4.1144.754.815.3172.144.811.29153.314.211.95
21Q2 (7)1.170.02.630.661.54-7.0477.840.12-2.37138.11-1.997.1868.83-1.836.09147.12-0.962.37
21Q1 (6)1.17-1.683.540.65-4.410.077.751.87-3.51140.915.060.3570.114.746.4148.553.52-4.24
20Q4 (5)1.1910.195.310.683.037.9476.32-9.3-5.46134.12-2.42-6.9866.94-6.01-2.66143.50-4.58-8.1
20Q3 (4)1.08-5.260.00.66-7.040.084.155.540.0137.456.670.071.229.770.0150.384.640.0
20Q2 (3)1.140.880.00.719.230.079.73-1.050.0128.86-8.230.064.88-1.530.0143.71-7.360.0
20Q1 (2)1.130.00.00.653.170.080.58-0.190.0140.42-2.610.065.89-4.190.0155.12-0.650.0
19Q4 (1)1.130.00.00.630.00.080.730.00.0144.180.00.068.770.00.0156.140.00.0
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)4.942.282.34-9.373.87-2.18155.8610.3269.03-2.93160.7010.31
2022 (9)4.8310.272.587.575.52-9.32141.28-7.071.11-7.03145.68-8.21
2021 (8)4.38-6.612.40-9.0983.287.08151.919.8276.4916.25158.715.6
2020 (7)4.697.572.641.1577.77-7.05138.33-1.1265.80-0.48150.30-4.53
2019 (6)4.368.732.61-2.2583.67-8.02139.892.2366.122.23157.43-3.49
2018 (5)4.01-4.522.67-6.9790.974.67136.847.4264.68-0.75163.139.39
2017 (4)4.206.062.87-4.9786.91-5.65127.395.5465.17-2.43149.132.12
2016 (3)3.966.173.0215.7192.11-5.83120.70-13.6766.79-7.16146.03-11.87
2015 (2)3.73-1.582.61-7.7797.811.62139.828.4871.942.11165.707.12
2014 (1)3.7910.172.83-5.0396.25-9.34128.895.0770.45-12.56154.694.32

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